Home / 5,165.34-7,117.11-4,531.02

Finding the Fourth Proportional to 5,165.34, 7,117.11 and 4,531.02

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Solution

The fourth proportional to 5,165.34, 7,117.11 and 4,531.02 is: 6,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.34 : 7,117.11 = 4,531.02 : x
  2. Step 2: Convert to fraction form
    5,165.34/7,117.11 = 4,531.02/x
  3. Step 3: Cross multiply
    5,165.34x = 7,117.11 × 4,531.02
  4. Step 4: Simplify right side
    5,165.34x = 32,247,767.75
  5. Step 5: Solve for x
    x = 32,247,767.75/5,165.34
  6. Step 6: Final answer
    x = 6,243.11

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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.