Home / 7,542.90-11,314.35-3,650.58

Finding the Fourth Proportional to 7,542.90, 11,314.35 and 3,650.58

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Solution

The fourth proportional to 7,542.90, 11,314.35 and 3,650.58 is: 5,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.90 : 11,314.35 = 3,650.58 : x
  2. Step 2: Convert to fraction form
    7,542.90/11,314.35 = 3,650.58/x
  3. Step 3: Cross multiply
    7,542.90x = 11,314.35 × 3,650.58
  4. Step 4: Simplify right side
    7,542.90x = 41,303,939.82
  5. Step 5: Solve for x
    x = 41,303,939.82/7,542.90
  6. Step 6: Final answer
    x = 5,475.87

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Double scale
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Similar ratio
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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.