Home / 5,227.42-7,213.75-2,869.55

Finding the Fourth Proportional to 5,227.42, 7,213.75 and 2,869.55

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Solution

The fourth proportional to 5,227.42, 7,213.75 and 2,869.55 is: 3,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.42 : 7,213.75 = 2,869.55 : x
  2. Step 2: Convert to fraction form
    5,227.42/7,213.75 = 2,869.55/x
  3. Step 3: Cross multiply
    5,227.42x = 7,213.75 × 2,869.55
  4. Step 4: Simplify right side
    5,227.42x = 20,700,216.31
  5. Step 5: Solve for x
    x = 20,700,216.31/5,227.42
  6. Step 6: Final answer
    x = 3,959.93

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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.