Home / 5,151.33-7,102.56-4,353.21

Finding the Fourth Proportional to 5,151.33, 7,102.56 and 4,353.21

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Solution

The fourth proportional to 5,151.33, 7,102.56 and 4,353.21 is: 6,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.33 : 7,102.56 = 4,353.21 : x
  2. Step 2: Convert to fraction form
    5,151.33/7,102.56 = 4,353.21/x
  3. Step 3: Cross multiply
    5,151.33x = 7,102.56 × 4,353.21
  4. Step 4: Simplify right side
    5,151.33x = 30,918,899.70
  5. Step 5: Solve for x
    x = 30,918,899.70/5,151.33
  6. Step 6: Final answer
    x = 6,002.13

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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.