Home / 2,964.10-4,442.55-1,318.90

Finding the Fourth Proportional to 2,964.10, 4,442.55 and 1,318.90

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Solution

The fourth proportional to 2,964.10, 4,442.55 and 1,318.90 is: 1,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.10 : 4,442.55 = 1,318.90 : x
  2. Step 2: Convert to fraction form
    2,964.10/4,442.55 = 1,318.90/x
  3. Step 3: Cross multiply
    2,964.10x = 4,442.55 × 1,318.90
  4. Step 4: Simplify right side
    2,964.10x = 5,859,279.20
  5. Step 5: Solve for x
    x = 5,859,279.20/2,964.10
  6. Step 6: Final answer
    x = 1,976.75

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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.