Home / 5,167.49-7,122.47-3,955.76

Finding the Fourth Proportional to 5,167.49, 7,122.47 and 3,955.76

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Solution

The fourth proportional to 5,167.49, 7,122.47 and 3,955.76 is: 5,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.49 : 7,122.47 = 3,955.76 : x
  2. Step 2: Convert to fraction form
    5,167.49/7,122.47 = 3,955.76/x
  3. Step 3: Cross multiply
    5,167.49x = 7,122.47 × 3,955.76
  4. Step 4: Simplify right side
    5,167.49x = 28,174,726.54
  5. Step 5: Solve for x
    x = 28,174,726.54/5,167.49
  6. Step 6: Final answer
    x = 5,452.31

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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.