Home / 3,439.26-5,158.92-974.10

Finding the Fourth Proportional to 3,439.26, 5,158.92 and 974.10

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Solution

The fourth proportional to 3,439.26, 5,158.92 and 974.10 is: 1,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.26 : 5,158.92 = 974.10 : x
  2. Step 2: Convert to fraction form
    3,439.26/5,158.92 = 974.10/x
  3. Step 3: Cross multiply
    3,439.26x = 5,158.92 × 974.10
  4. Step 4: Simplify right side
    3,439.26x = 5,025,303.97
  5. Step 5: Solve for x
    x = 5,025,303.97/3,439.26
  6. Step 6: Final answer
    x = 1,461.16

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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.