Home / 7,135.29-10,704.42-2,455.11

Finding the Fourth Proportional to 7,135.29, 10,704.42 and 2,455.11

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Solution

The fourth proportional to 7,135.29, 10,704.42 and 2,455.11 is: 3,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.29 : 10,704.42 = 2,455.11 : x
  2. Step 2: Convert to fraction form
    7,135.29/10,704.42 = 2,455.11/x
  3. Step 3: Cross multiply
    7,135.29x = 10,704.42 × 2,455.11
  4. Step 4: Simplify right side
    7,135.29x = 26,280,528.59
  5. Step 5: Solve for x
    x = 26,280,528.59/7,135.29
  6. Step 6: Final answer
    x = 3,683.18

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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.