Home / 5,712.18-8,566.20-2,013.72

Finding the Fourth Proportional to 5,712.18, 8,566.20 and 2,013.72

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Solution

The fourth proportional to 5,712.18, 8,566.20 and 2,013.72 is: 3,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.18 : 8,566.20 = 2,013.72 : x
  2. Step 2: Convert to fraction form
    5,712.18/8,566.20 = 2,013.72/x
  3. Step 3: Cross multiply
    5,712.18x = 8,566.20 × 2,013.72
  4. Step 4: Simplify right side
    5,712.18x = 17,249,928.26
  5. Step 5: Solve for x
    x = 17,249,928.26/5,712.18
  6. Step 6: Final answer
    x = 3,019.85

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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.