Home / 2,616.38-3,923.54-1,154.50

Finding the Fourth Proportional to 2,616.38, 3,923.54 and 1,154.50

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Solution

The fourth proportional to 2,616.38, 3,923.54 and 1,154.50 is: 1,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.38 : 3,923.54 = 1,154.50 : x
  2. Step 2: Convert to fraction form
    2,616.38/3,923.54 = 1,154.50/x
  3. Step 3: Cross multiply
    2,616.38x = 3,923.54 × 1,154.50
  4. Step 4: Simplify right side
    2,616.38x = 4,529,726.93
  5. Step 5: Solve for x
    x = 4,529,726.93/2,616.38
  6. Step 6: Final answer
    x = 1,731.30

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