Home / 3,587.01-4,949.85-2,171.49

Finding the Fourth Proportional to 3,587.01, 4,949.85 and 2,171.49

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Solution

The fourth proportional to 3,587.01, 4,949.85 and 2,171.49 is: 2,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.01 : 4,949.85 = 2,171.49 : x
  2. Step 2: Convert to fraction form
    3,587.01/4,949.85 = 2,171.49/x
  3. Step 3: Cross multiply
    3,587.01x = 4,949.85 × 2,171.49
  4. Step 4: Simplify right side
    3,587.01x = 10,748,549.78
  5. Step 5: Solve for x
    x = 10,748,549.78/3,587.01
  6. Step 6: Final answer
    x = 2,996.52

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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.