Home / 5,036.97-7,555.44-1,339.20

Finding the Fourth Proportional to 5,036.97, 7,555.44 and 1,339.20

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Solution

The fourth proportional to 5,036.97, 7,555.44 and 1,339.20 is: 2,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.97 : 7,555.44 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    5,036.97/7,555.44 = 1,339.20/x
  3. Step 3: Cross multiply
    5,036.97x = 7,555.44 × 1,339.20
  4. Step 4: Simplify right side
    5,036.97x = 10,118,207.47
  5. Step 5: Solve for x
    x = 10,118,207.47/5,036.97
  6. Step 6: Final answer
    x = 2,008.79

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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.