Home / 5,227.28-7,210.92-3,237.20

Finding the Fourth Proportional to 5,227.28, 7,210.92 and 3,237.20

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Solution

The fourth proportional to 5,227.28, 7,210.92 and 3,237.20 is: 4,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.28 : 7,210.92 = 3,237.20 : x
  2. Step 2: Convert to fraction form
    5,227.28/7,210.92 = 3,237.20/x
  3. Step 3: Cross multiply
    5,227.28x = 7,210.92 × 3,237.20
  4. Step 4: Simplify right side
    5,227.28x = 23,343,190.22
  5. Step 5: Solve for x
    x = 23,343,190.22/5,227.28
  6. Step 6: Final answer
    x = 4,465.65

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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.