Home / 3,278.28-4,524.24-1,862.01

Finding the Fourth Proportional to 3,278.28, 4,524.24 and 1,862.01

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Solution

The fourth proportional to 3,278.28, 4,524.24 and 1,862.01 is: 2,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.28 : 4,524.24 = 1,862.01 : x
  2. Step 2: Convert to fraction form
    3,278.28/4,524.24 = 1,862.01/x
  3. Step 3: Cross multiply
    3,278.28x = 4,524.24 × 1,862.01
  4. Step 4: Simplify right side
    3,278.28x = 8,424,180.12
  5. Step 5: Solve for x
    x = 8,424,180.12/3,278.28
  6. Step 6: Final answer
    x = 2,569.70

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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.