Home / 1,922.10-2,652.15-1,136.10

Finding the Fourth Proportional to 1,922.10, 2,652.15 and 1,136.10

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Solution

The fourth proportional to 1,922.10, 2,652.15 and 1,136.10 is: 1,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.10 : 2,652.15 = 1,136.10 : x
  2. Step 2: Convert to fraction form
    1,922.10/2,652.15 = 1,136.10/x
  3. Step 3: Cross multiply
    1,922.10x = 2,652.15 × 1,136.10
  4. Step 4: Simplify right side
    1,922.10x = 3,013,107.62
  5. Step 5: Solve for x
    x = 3,013,107.62/1,922.10
  6. Step 6: Final answer
    x = 1,567.61

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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.