Home / 4,591.68-6,332.80-4,001.20

Finding the Fourth Proportional to 4,591.68, 6,332.80 and 4,001.20

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Solution

The fourth proportional to 4,591.68, 6,332.80 and 4,001.20 is: 5,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.68 : 6,332.80 = 4,001.20 : x
  2. Step 2: Convert to fraction form
    4,591.68/6,332.80 = 4,001.20/x
  3. Step 3: Cross multiply
    4,591.68x = 6,332.80 × 4,001.20
  4. Step 4: Simplify right side
    4,591.68x = 25,338,799.36
  5. Step 5: Solve for x
    x = 25,338,799.36/4,591.68
  6. Step 6: Final answer
    x = 5,518.42

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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.