Home / 1,654.27-2,483.04-1,125.56

Finding the Fourth Proportional to 1,654.27, 2,483.04 and 1,125.56

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Solution

The fourth proportional to 1,654.27, 2,483.04 and 1,125.56 is: 1,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.27 : 2,483.04 = 1,125.56 : x
  2. Step 2: Convert to fraction form
    1,654.27/2,483.04 = 1,125.56/x
  3. Step 3: Cross multiply
    1,654.27x = 2,483.04 × 1,125.56
  4. Step 4: Simplify right side
    1,654.27x = 2,794,814.60
  5. Step 5: Solve for x
    x = 2,794,814.60/1,654.27
  6. Step 6: Final answer
    x = 1,689.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.