Home / 4,197.10-6,292.65-2,115.62

Finding the Fourth Proportional to 4,197.10, 6,292.65 and 2,115.62

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Solution

The fourth proportional to 4,197.10, 6,292.65 and 2,115.62 is: 3,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.10 : 6,292.65 = 2,115.62 : x
  2. Step 2: Convert to fraction form
    4,197.10/6,292.65 = 2,115.62/x
  3. Step 3: Cross multiply
    4,197.10x = 6,292.65 × 2,115.62
  4. Step 4: Simplify right side
    4,197.10x = 13,312,856.19
  5. Step 5: Solve for x
    x = 13,312,856.19/4,197.10
  6. Step 6: Final answer
    x = 3,171.92

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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.