Home / 5,318.10-7,973.91-2,398.05

Finding the Fourth Proportional to 5,318.10, 7,973.91 and 2,398.05

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Solution

The fourth proportional to 5,318.10, 7,973.91 and 2,398.05 is: 3,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.10 : 7,973.91 = 2,398.05 : x
  2. Step 2: Convert to fraction form
    5,318.10/7,973.91 = 2,398.05/x
  3. Step 3: Cross multiply
    5,318.10x = 7,973.91 × 2,398.05
  4. Step 4: Simplify right side
    5,318.10x = 19,121,834.88
  5. Step 5: Solve for x
    x = 19,121,834.88/5,318.10
  6. Step 6: Final answer
    x = 3,595.61

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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.