Home / 3,712.62-5,568.96-1,247.46

Finding the Fourth Proportional to 3,712.62, 5,568.96 and 1,247.46

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Solution

The fourth proportional to 3,712.62, 5,568.96 and 1,247.46 is: 1,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.62 : 5,568.96 = 1,247.46 : x
  2. Step 2: Convert to fraction form
    3,712.62/5,568.96 = 1,247.46/x
  3. Step 3: Cross multiply
    3,712.62x = 5,568.96 × 1,247.46
  4. Step 4: Simplify right side
    3,712.62x = 6,947,054.84
  5. Step 5: Solve for x
    x = 6,947,054.84/3,712.62
  6. Step 6: Final answer
    x = 1,871.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.