Home / 1,758.18-2,425.20-1,049.55

Finding the Fourth Proportional to 1,758.18, 2,425.20 and 1,049.55

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Solution

The fourth proportional to 1,758.18, 2,425.20 and 1,049.55 is: 1,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.18 : 2,425.20 = 1,049.55 : x
  2. Step 2: Convert to fraction form
    1,758.18/2,425.20 = 1,049.55/x
  3. Step 3: Cross multiply
    1,758.18x = 2,425.20 × 1,049.55
  4. Step 4: Simplify right side
    1,758.18x = 2,545,368.66
  5. Step 5: Solve for x
    x = 2,545,368.66/1,758.18
  6. Step 6: Final answer
    x = 1,447.73

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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.