Home / 5,248.13-7,242.44-3,153.47

Finding the Fourth Proportional to 5,248.13, 7,242.44 and 3,153.47

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Solution

The fourth proportional to 5,248.13, 7,242.44 and 3,153.47 is: 4,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.13 : 7,242.44 = 3,153.47 : x
  2. Step 2: Convert to fraction form
    5,248.13/7,242.44 = 3,153.47/x
  3. Step 3: Cross multiply
    5,248.13x = 7,242.44 × 3,153.47
  4. Step 4: Simplify right side
    5,248.13x = 22,838,765.29
  5. Step 5: Solve for x
    x = 22,838,765.29/5,248.13
  6. Step 6: Final answer
    x = 4,351.80

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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.