Home / 1,106.10-1,658.30-586.17

Finding the Fourth Proportional to 1,106.10, 1,658.30 and 586.17

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Solution

The fourth proportional to 1,106.10, 1,658.30 and 586.17 is: 878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.10 : 1,658.30 = 586.17 : x
  2. Step 2: Convert to fraction form
    1,106.10/1,658.30 = 586.17/x
  3. Step 3: Cross multiply
    1,106.10x = 1,658.30 × 586.17
  4. Step 4: Simplify right side
    1,106.10x = 972,042.78
  5. Step 5: Solve for x
    x = 972,042.78/1,106.10
  6. Step 6: Final answer
    x = 878.80

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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.