Home / 7,701.31-11,550.76-2,507.15

Finding the Fourth Proportional to 7,701.31, 11,550.76 and 2,507.15

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Solution

The fourth proportional to 7,701.31, 11,550.76 and 2,507.15 is: 3,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.31 : 11,550.76 = 2,507.15 : x
  2. Step 2: Convert to fraction form
    7,701.31/11,550.76 = 2,507.15/x
  3. Step 3: Cross multiply
    7,701.31x = 11,550.76 × 2,507.15
  4. Step 4: Simplify right side
    7,701.31x = 28,959,487.93
  5. Step 5: Solve for x
    x = 28,959,487.93/7,701.31
  6. Step 6: Final answer
    x = 3,760.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.