Home / 5,381.47-7,426.39-3,023.56

Finding the Fourth Proportional to 5,381.47, 7,426.39 and 3,023.56

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Solution

The fourth proportional to 5,381.47, 7,426.39 and 3,023.56 is: 4,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.47 : 7,426.39 = 3,023.56 : x
  2. Step 2: Convert to fraction form
    5,381.47/7,426.39 = 3,023.56/x
  3. Step 3: Cross multiply
    5,381.47x = 7,426.39 × 3,023.56
  4. Step 4: Simplify right side
    5,381.47x = 22,454,135.75
  5. Step 5: Solve for x
    x = 22,454,135.75/5,381.47
  6. Step 6: Final answer
    x = 4,172.49

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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.