Home / 5,220.56-7,204.48-2,862.71

Finding the Fourth Proportional to 5,220.56, 7,204.48 and 2,862.71

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Solution

The fourth proportional to 5,220.56, 7,204.48 and 2,862.71 is: 3,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.56 : 7,204.48 = 2,862.71 : x
  2. Step 2: Convert to fraction form
    5,220.56/7,204.48 = 2,862.71/x
  3. Step 3: Cross multiply
    5,220.56x = 7,204.48 × 2,862.71
  4. Step 4: Simplify right side
    5,220.56x = 20,624,286.60
  5. Step 5: Solve for x
    x = 20,624,286.60/5,220.56
  6. Step 6: Final answer
    x = 3,950.59

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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.