Home / 5,227.11-7,214.53-3,132.45

Finding the Fourth Proportional to 5,227.11, 7,214.53 and 3,132.45

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Solution

The fourth proportional to 5,227.11, 7,214.53 and 3,132.45 is: 4,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.11 : 7,214.53 = 3,132.45 : x
  2. Step 2: Convert to fraction form
    5,227.11/7,214.53 = 3,132.45/x
  3. Step 3: Cross multiply
    5,227.11x = 7,214.53 × 3,132.45
  4. Step 4: Simplify right side
    5,227.11x = 22,599,154.50
  5. Step 5: Solve for x
    x = 22,599,154.50/5,227.11
  6. Step 6: Final answer
    x = 4,323.45

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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.