Home / 3,585.38-4,947.78-2,013.46

Finding the Fourth Proportional to 3,585.38, 4,947.78 and 2,013.46

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Solution

The fourth proportional to 3,585.38, 4,947.78 and 2,013.46 is: 2,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.38 : 4,947.78 = 2,013.46 : x
  2. Step 2: Convert to fraction form
    3,585.38/4,947.78 = 2,013.46/x
  3. Step 3: Cross multiply
    3,585.38x = 4,947.78 × 2,013.46
  4. Step 4: Simplify right side
    3,585.38x = 9,962,157.12
  5. Step 5: Solve for x
    x = 9,962,157.12/3,585.38
  6. Step 6: Final answer
    x = 2,778.55

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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.