Home / 5,318.16-7,978.40-2,032.19

Finding the Fourth Proportional to 5,318.16, 7,978.40 and 2,032.19

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Solution

The fourth proportional to 5,318.16, 7,978.40 and 2,032.19 is: 3,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.16 : 7,978.40 = 2,032.19 : x
  2. Step 2: Convert to fraction form
    5,318.16/7,978.40 = 2,032.19/x
  3. Step 3: Cross multiply
    5,318.16x = 7,978.40 × 2,032.19
  4. Step 4: Simplify right side
    5,318.16x = 16,213,614.54
  5. Step 5: Solve for x
    x = 16,213,614.54/5,318.16
  6. Step 6: Final answer
    x = 3,048.73

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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.