Home / 5,535.59-7,648.84-4,425.69

Finding the Fourth Proportional to 5,535.59, 7,648.84 and 4,425.69

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Solution

The fourth proportional to 5,535.59, 7,648.84 and 4,425.69 is: 6,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.59 : 7,648.84 = 4,425.69 : x
  2. Step 2: Convert to fraction form
    5,535.59/7,648.84 = 4,425.69/x
  3. Step 3: Cross multiply
    5,535.59x = 7,648.84 × 4,425.69
  4. Step 4: Simplify right side
    5,535.59x = 33,851,394.70
  5. Step 5: Solve for x
    x = 33,851,394.70/5,535.59
  6. Step 6: Final answer
    x = 6,115.23

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.