Home / 5,139.52-7,092.48-3,043.68

Finding the Fourth Proportional to 5,139.52, 7,092.48 and 3,043.68

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Solution

The fourth proportional to 5,139.52, 7,092.48 and 3,043.68 is: 4,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.52 : 7,092.48 = 3,043.68 : x
  2. Step 2: Convert to fraction form
    5,139.52/7,092.48 = 3,043.68/x
  3. Step 3: Cross multiply
    5,139.52x = 7,092.48 × 3,043.68
  4. Step 4: Simplify right side
    5,139.52x = 21,587,239.53
  5. Step 5: Solve for x
    x = 21,587,239.53/5,139.52
  6. Step 6: Final answer
    x = 4,200.24

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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.