Home / 1,926.28-2,658.24-1,086.92

Finding the Fourth Proportional to 1,926.28, 2,658.24 and 1,086.92

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Solution

The fourth proportional to 1,926.28, 2,658.24 and 1,086.92 is: 1,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.28 : 2,658.24 = 1,086.92 : x
  2. Step 2: Convert to fraction form
    1,926.28/2,658.24 = 1,086.92/x
  3. Step 3: Cross multiply
    1,926.28x = 2,658.24 × 1,086.92
  4. Step 4: Simplify right side
    1,926.28x = 2,889,294.22
  5. Step 5: Solve for x
    x = 2,889,294.22/1,926.28
  6. Step 6: Final answer
    x = 1,499.93

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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.