Home / 5,545.82-7,654.20-3,307.84

Finding the Fourth Proportional to 5,545.82, 7,654.20 and 3,307.84

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Solution

The fourth proportional to 5,545.82, 7,654.20 and 3,307.84 is: 4,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.82 : 7,654.20 = 3,307.84 : x
  2. Step 2: Convert to fraction form
    5,545.82/7,654.20 = 3,307.84/x
  3. Step 3: Cross multiply
    5,545.82x = 7,654.20 × 3,307.84
  4. Step 4: Simplify right side
    5,545.82x = 25,318,868.93
  5. Step 5: Solve for x
    x = 25,318,868.93/5,545.82
  6. Step 6: Final answer
    x = 4,565.40

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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.