Home / 2,713.50-3,733.29-2,418.12

Finding the Fourth Proportional to 2,713.50, 3,733.29 and 2,418.12

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Solution

The fourth proportional to 2,713.50, 3,733.29 and 2,418.12 is: 3,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.50 : 3,733.29 = 2,418.12 : x
  2. Step 2: Convert to fraction form
    2,713.50/3,733.29 = 2,418.12/x
  3. Step 3: Cross multiply
    2,713.50x = 3,733.29 × 2,418.12
  4. Step 4: Simplify right side
    2,713.50x = 9,027,543.21
  5. Step 5: Solve for x
    x = 9,027,543.21/2,713.50
  6. Step 6: Final answer
    x = 3,326.90

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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.