Home / 4,959.78-7,439.68-1,497.04

Finding the Fourth Proportional to 4,959.78, 7,439.68 and 1,497.04

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Solution

The fourth proportional to 4,959.78, 7,439.68 and 1,497.04 is: 2,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.78 : 7,439.68 = 1,497.04 : x
  2. Step 2: Convert to fraction form
    4,959.78/7,439.68 = 1,497.04/x
  3. Step 3: Cross multiply
    4,959.78x = 7,439.68 × 1,497.04
  4. Step 4: Simplify right side
    4,959.78x = 11,137,498.55
  5. Step 5: Solve for x
    x = 11,137,498.55/4,959.78
  6. Step 6: Final answer
    x = 2,245.56

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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.