Home / 5,385.87-7,432.46-2,995.87

Finding the Fourth Proportional to 5,385.87, 7,432.46 and 2,995.87

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Solution

The fourth proportional to 5,385.87, 7,432.46 and 2,995.87 is: 4,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.87 : 7,432.46 = 2,995.87 : x
  2. Step 2: Convert to fraction form
    5,385.87/7,432.46 = 2,995.87/x
  3. Step 3: Cross multiply
    5,385.87x = 7,432.46 × 2,995.87
  4. Step 4: Simplify right side
    5,385.87x = 22,266,683.94
  5. Step 5: Solve for x
    x = 22,266,683.94/5,385.87
  6. Step 6: Final answer
    x = 4,134.28

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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.