Home / 4,117.32-6,176.76-2,143.89

Finding the Fourth Proportional to 4,117.32, 6,176.76 and 2,143.89

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Solution

The fourth proportional to 4,117.32, 6,176.76 and 2,143.89 is: 3,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.32 : 6,176.76 = 2,143.89 : x
  2. Step 2: Convert to fraction form
    4,117.32/6,176.76 = 2,143.89/x
  3. Step 3: Cross multiply
    4,117.32x = 6,176.76 × 2,143.89
  4. Step 4: Simplify right side
    4,117.32x = 13,242,294.00
  5. Step 5: Solve for x
    x = 13,242,294.00/4,117.32
  6. Step 6: Final answer
    x = 3,216.24

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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.