Home / 2,982.25-4,115.57-1,655.93

Finding the Fourth Proportional to 2,982.25, 4,115.57 and 1,655.93

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Solution

The fourth proportional to 2,982.25, 4,115.57 and 1,655.93 is: 2,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.25 : 4,115.57 = 1,655.93 : x
  2. Step 2: Convert to fraction form
    2,982.25/4,115.57 = 1,655.93/x
  3. Step 3: Cross multiply
    2,982.25x = 4,115.57 × 1,655.93
  4. Step 4: Simplify right side
    2,982.25x = 6,815,095.83
  5. Step 5: Solve for x
    x = 6,815,095.83/2,982.25
  6. Step 6: Final answer
    x = 2,285.22

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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.