Home / 3,752.46-5,178.51-2,074.14

Finding the Fourth Proportional to 3,752.46, 5,178.51 and 2,074.14

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Solution

The fourth proportional to 3,752.46, 5,178.51 and 2,074.14 is: 2,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.46 : 5,178.51 = 2,074.14 : x
  2. Step 2: Convert to fraction form
    3,752.46/5,178.51 = 2,074.14/x
  3. Step 3: Cross multiply
    3,752.46x = 5,178.51 × 2,074.14
  4. Step 4: Simplify right side
    3,752.46x = 10,740,954.73
  5. Step 5: Solve for x
    x = 10,740,954.73/3,752.46
  6. Step 6: Final answer
    x = 2,862.38

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Half scale
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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.