Home / 3,585.60-4,947.88-2,406.48

Finding the Fourth Proportional to 3,585.60, 4,947.88 and 2,406.48

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Solution

The fourth proportional to 3,585.60, 4,947.88 and 2,406.48 is: 3,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.60 : 4,947.88 = 2,406.48 : x
  2. Step 2: Convert to fraction form
    3,585.60/4,947.88 = 2,406.48/x
  3. Step 3: Cross multiply
    3,585.60x = 4,947.88 × 2,406.48
  4. Step 4: Simplify right side
    3,585.60x = 11,906,974.26
  5. Step 5: Solve for x
    x = 11,906,974.26/3,585.60
  6. Step 6: Final answer
    x = 3,320.78

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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.