Home / 4,049.52-5,588.58-2,281.20

Finding the Fourth Proportional to 4,049.52, 5,588.58 and 2,281.20

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Solution

The fourth proportional to 4,049.52, 5,588.58 and 2,281.20 is: 3,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.52 : 5,588.58 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    4,049.52/5,588.58 = 2,281.20/x
  3. Step 3: Cross multiply
    4,049.52x = 5,588.58 × 2,281.20
  4. Step 4: Simplify right side
    4,049.52x = 12,748,668.70
  5. Step 5: Solve for x
    x = 12,748,668.70/4,049.52
  6. Step 6: Final answer
    x = 3,148.19

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Half scale
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Find fourth proportional to 4,050.52, 5,589.96 and 2,282.20
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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.