Home / 3,725.49-5,589.24-1,386.75

Finding the Fourth Proportional to 3,725.49, 5,589.24 and 1,386.75

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Solution

The fourth proportional to 3,725.49, 5,589.24 and 1,386.75 is: 2,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.49 : 5,589.24 = 1,386.75 : x
  2. Step 2: Convert to fraction form
    3,725.49/5,589.24 = 1,386.75/x
  3. Step 3: Cross multiply
    3,725.49x = 5,589.24 × 1,386.75
  4. Step 4: Simplify right side
    3,725.49x = 7,750,878.57
  5. Step 5: Solve for x
    x = 7,750,878.57/3,725.49
  6. Step 6: Final answer
    x = 2,080.50

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Half scale
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Double scale
Find fourth proportional to 3,726.49, 5,590.74 and 1,387.75
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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.