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Finding the Fourth Proportional to 5,150.98, 7,103.02 and 4,407.40

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Solution

The fourth proportional to 5,150.98, 7,103.02 and 4,407.40 is: 6,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.98 : 7,103.02 = 4,407.40 : x
  2. Step 2: Convert to fraction form
    5,150.98/7,103.02 = 4,407.40/x
  3. Step 3: Cross multiply
    5,150.98x = 7,103.02 × 4,407.40
  4. Step 4: Simplify right side
    5,150.98x = 31,305,850.35
  5. Step 5: Solve for x
    x = 31,305,850.35/5,150.98
  6. Step 6: Final answer
    x = 6,077.65

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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.