Home / 3,416.12-5,117.28-3,239

Finding the Fourth Proportional to 3,416.12, 5,117.28 and 3,239

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Solution

The fourth proportional to 3,416.12, 5,117.28 and 3,239 is: 4,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.12 : 5,117.28 = 3,239 : x
  2. Step 2: Convert to fraction form
    3,416.12/5,117.28 = 3,239/x
  3. Step 3: Cross multiply
    3,416.12x = 5,117.28 × 3,239
  4. Step 4: Simplify right side
    3,416.12x = 16,574,869.92
  5. Step 5: Solve for x
    x = 16,574,869.92/3,416.12
  6. Step 6: Final answer
    x = 4,851.96

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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.