Home / 3,397.11-5,095.67-931.96

Finding the Fourth Proportional to 3,397.11, 5,095.67 and 931.96

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Solution

The fourth proportional to 3,397.11, 5,095.67 and 931.96 is: 1,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.11 : 5,095.67 = 931.96 : x
  2. Step 2: Convert to fraction form
    3,397.11/5,095.67 = 931.96/x
  3. Step 3: Cross multiply
    3,397.11x = 5,095.67 × 931.96
  4. Step 4: Simplify right side
    3,397.11x = 4,748,960.61
  5. Step 5: Solve for x
    x = 4,748,960.61/3,397.11
  6. Step 6: Final answer
    x = 1,397.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.