Home / 5,543.38-7,650.70-3,391.16

Finding the Fourth Proportional to 5,543.38, 7,650.70 and 3,391.16

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Solution

The fourth proportional to 5,543.38, 7,650.70 and 3,391.16 is: 4,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.38 : 7,650.70 = 3,391.16 : x
  2. Step 2: Convert to fraction form
    5,543.38/7,650.70 = 3,391.16/x
  3. Step 3: Cross multiply
    5,543.38x = 7,650.70 × 3,391.16
  4. Step 4: Simplify right side
    5,543.38x = 25,944,747.81
  5. Step 5: Solve for x
    x = 25,944,747.81/5,543.38
  6. Step 6: Final answer
    x = 4,680.31

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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.