Home / 5,107.72-7,626.97-4,055.92

Finding the Fourth Proportional to 5,107.72, 7,626.97 and 4,055.92

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Solution

The fourth proportional to 5,107.72, 7,626.97 and 4,055.92 is: 6,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.72 : 7,626.97 = 4,055.92 : x
  2. Step 2: Convert to fraction form
    5,107.72/7,626.97 = 4,055.92/x
  3. Step 3: Cross multiply
    5,107.72x = 7,626.97 × 4,055.92
  4. Step 4: Simplify right side
    5,107.72x = 30,934,380.16
  5. Step 5: Solve for x
    x = 30,934,380.16/5,107.72
  6. Step 6: Final answer
    x = 6,056.40

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Find fourth proportional to 2,553.86, 3,813.49 and 2,027.96
Half scale
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Double scale
Find fourth proportional to 5,108.72, 7,628.46 and 4,056.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.