Home / 4,865.38-7,285.47-3,543.70

Finding the Fourth Proportional to 4,865.38, 7,285.47 and 3,543.70

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Solution

The fourth proportional to 4,865.38, 7,285.47 and 3,543.70 is: 5,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.38 : 7,285.47 = 3,543.70 : x
  2. Step 2: Convert to fraction form
    4,865.38/7,285.47 = 3,543.70/x
  3. Step 3: Cross multiply
    4,865.38x = 7,285.47 × 3,543.70
  4. Step 4: Simplify right side
    4,865.38x = 25,817,520.04
  5. Step 5: Solve for x
    x = 25,817,520.04/4,865.38
  6. Step 6: Final answer
    x = 5,306.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.