Home / 7,311.48-10,091.97-4,657.92

Finding the Fourth Proportional to 7,311.48, 10,091.97 and 4,657.92

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Solution

The fourth proportional to 7,311.48, 10,091.97 and 4,657.92 is: 6,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.48 : 10,091.97 = 4,657.92 : x
  2. Step 2: Convert to fraction form
    7,311.48/10,091.97 = 4,657.92/x
  3. Step 3: Cross multiply
    7,311.48x = 10,091.97 × 4,657.92
  4. Step 4: Simplify right side
    7,311.48x = 47,007,588.90
  5. Step 5: Solve for x
    x = 47,007,588.90/7,311.48
  6. Step 6: Final answer
    x = 6,429.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.