Home / 5,248.22-7,240.25-3,151.13

Finding the Fourth Proportional to 5,248.22, 7,240.25 and 3,151.13

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Solution

The fourth proportional to 5,248.22, 7,240.25 and 3,151.13 is: 4,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.22 : 7,240.25 = 3,151.13 : x
  2. Step 2: Convert to fraction form
    5,248.22/7,240.25 = 3,151.13/x
  3. Step 3: Cross multiply
    5,248.22x = 7,240.25 × 3,151.13
  4. Step 4: Simplify right side
    5,248.22x = 22,814,940.66
  5. Step 5: Solve for x
    x = 22,814,940.66/5,248.22
  6. Step 6: Final answer
    x = 4,347.18

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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.