Home / 3,515.28-4,853.16-2,338.80

Finding the Fourth Proportional to 3,515.28, 4,853.16 and 2,338.80

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Solution

The fourth proportional to 3,515.28, 4,853.16 and 2,338.80 is: 3,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.28 : 4,853.16 = 2,338.80 : x
  2. Step 2: Convert to fraction form
    3,515.28/4,853.16 = 2,338.80/x
  3. Step 3: Cross multiply
    3,515.28x = 4,853.16 × 2,338.80
  4. Step 4: Simplify right side
    3,515.28x = 11,350,570.61
  5. Step 5: Solve for x
    x = 11,350,570.61/3,515.28
  6. Step 6: Final answer
    x = 3,228.92

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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.