Home / 5,406.18-8,114.73-3,459.75

Finding the Fourth Proportional to 5,406.18, 8,114.73 and 3,459.75

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Solution

The fourth proportional to 5,406.18, 8,114.73 and 3,459.75 is: 5,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.18 : 8,114.73 = 3,459.75 : x
  2. Step 2: Convert to fraction form
    5,406.18/8,114.73 = 3,459.75/x
  3. Step 3: Cross multiply
    5,406.18x = 8,114.73 × 3,459.75
  4. Step 4: Simplify right side
    5,406.18x = 28,074,937.12
  5. Step 5: Solve for x
    x = 28,074,937.12/5,406.18
  6. Step 6: Final answer
    x = 5,193.12

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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.