Home / 5,158.62-7,116.39-3,061.26

Finding the Fourth Proportional to 5,158.62, 7,116.39 and 3,061.26

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Solution

The fourth proportional to 5,158.62, 7,116.39 and 3,061.26 is: 4,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.62 : 7,116.39 = 3,061.26 : x
  2. Step 2: Convert to fraction form
    5,158.62/7,116.39 = 3,061.26/x
  3. Step 3: Cross multiply
    5,158.62x = 7,116.39 × 3,061.26
  4. Step 4: Simplify right side
    5,158.62x = 21,785,120.05
  5. Step 5: Solve for x
    x = 21,785,120.05/5,158.62
  6. Step 6: Final answer
    x = 4,223.05

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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.