Home / 3,732.96-5,151.15-2,140.11

Finding the Fourth Proportional to 3,732.96, 5,151.15 and 2,140.11

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Solution

The fourth proportional to 3,732.96, 5,151.15 and 2,140.11 is: 2,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.96 : 5,151.15 = 2,140.11 : x
  2. Step 2: Convert to fraction form
    3,732.96/5,151.15 = 2,140.11/x
  3. Step 3: Cross multiply
    3,732.96x = 5,151.15 × 2,140.11
  4. Step 4: Simplify right side
    3,732.96x = 11,024,027.63
  5. Step 5: Solve for x
    x = 11,024,027.63/3,732.96
  6. Step 6: Final answer
    x = 2,953.16

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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.