Home / 3,025.38-4,176.12-2,281.47

Finding the Fourth Proportional to 3,025.38, 4,176.12 and 2,281.47

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Solution

The fourth proportional to 3,025.38, 4,176.12 and 2,281.47 is: 3,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.38 : 4,176.12 = 2,281.47 : x
  2. Step 2: Convert to fraction form
    3,025.38/4,176.12 = 2,281.47/x
  3. Step 3: Cross multiply
    3,025.38x = 4,176.12 × 2,281.47
  4. Step 4: Simplify right side
    3,025.38x = 9,527,692.50
  5. Step 5: Solve for x
    x = 9,527,692.50/3,025.38
  6. Step 6: Final answer
    x = 3,149.25

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Half scale
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Double scale
Find fourth proportional to 3,026.38, 4,177.50 and 2,282.47
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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.