Home / 7,761.08-10,710.36-4,224.29

Finding the Fourth Proportional to 7,761.08, 10,710.36 and 4,224.29

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Solution

The fourth proportional to 7,761.08, 10,710.36 and 4,224.29 is: 5,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.08 : 10,710.36 = 4,224.29 : x
  2. Step 2: Convert to fraction form
    7,761.08/10,710.36 = 4,224.29/x
  3. Step 3: Cross multiply
    7,761.08x = 10,710.36 × 4,224.29
  4. Step 4: Simplify right side
    7,761.08x = 45,243,613.09
  5. Step 5: Solve for x
    x = 45,243,613.09/7,761.08
  6. Step 6: Final answer
    x = 5,829.55

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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.