Home / 5,387.54-7,434.72-3,029.68

Finding the Fourth Proportional to 5,387.54, 7,434.72 and 3,029.68

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Solution

The fourth proportional to 5,387.54, 7,434.72 and 3,029.68 is: 4,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.54 : 7,434.72 = 3,029.68 : x
  2. Step 2: Convert to fraction form
    5,387.54/7,434.72 = 3,029.68/x
  3. Step 3: Cross multiply
    5,387.54x = 7,434.72 × 3,029.68
  4. Step 4: Simplify right side
    5,387.54x = 22,524,803.90
  5. Step 5: Solve for x
    x = 22,524,803.90/5,387.54
  6. Step 6: Final answer
    x = 4,180.91

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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.