Home / 5,164.04-7,122.18-3,171.04

Finding the Fourth Proportional to 5,164.04, 7,122.18 and 3,171.04

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Solution

The fourth proportional to 5,164.04, 7,122.18 and 3,171.04 is: 4,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.04 : 7,122.18 = 3,171.04 : x
  2. Step 2: Convert to fraction form
    5,164.04/7,122.18 = 3,171.04/x
  3. Step 3: Cross multiply
    5,164.04x = 7,122.18 × 3,171.04
  4. Step 4: Simplify right side
    5,164.04x = 22,584,717.67
  5. Step 5: Solve for x
    x = 22,584,717.67/5,164.04
  6. Step 6: Final answer
    x = 4,373.46

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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.