Home / 1,926.23-2,658.19-1,042.03

Finding the Fourth Proportional to 1,926.23, 2,658.19 and 1,042.03

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Solution

The fourth proportional to 1,926.23, 2,658.19 and 1,042.03 is: 1,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.23 : 2,658.19 = 1,042.03 : x
  2. Step 2: Convert to fraction form
    1,926.23/2,658.19 = 1,042.03/x
  3. Step 3: Cross multiply
    1,926.23x = 2,658.19 × 1,042.03
  4. Step 4: Simplify right side
    1,926.23x = 2,769,904.48
  5. Step 5: Solve for x
    x = 2,769,904.48/1,926.23
  6. Step 6: Final answer
    x = 1,438.00

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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.