Home / 3,517.80-4,854.40-1,924.36

Finding the Fourth Proportional to 3,517.80, 4,854.40 and 1,924.36

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Solution

The fourth proportional to 3,517.80, 4,854.40 and 1,924.36 is: 2,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.80 : 4,854.40 = 1,924.36 : x
  2. Step 2: Convert to fraction form
    3,517.80/4,854.40 = 1,924.36/x
  3. Step 3: Cross multiply
    3,517.80x = 4,854.40 × 1,924.36
  4. Step 4: Simplify right side
    3,517.80x = 9,341,613.18
  5. Step 5: Solve for x
    x = 9,341,613.18/3,517.80
  6. Step 6: Final answer
    x = 2,655.53

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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.