Home / 6,920.16-10,381.32-3,022.44

Finding the Fourth Proportional to 6,920.16, 10,381.32 and 3,022.44

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Solution

The fourth proportional to 6,920.16, 10,381.32 and 3,022.44 is: 4,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.16 : 10,381.32 = 3,022.44 : x
  2. Step 2: Convert to fraction form
    6,920.16/10,381.32 = 3,022.44/x
  3. Step 3: Cross multiply
    6,920.16x = 10,381.32 × 3,022.44
  4. Step 4: Simplify right side
    6,920.16x = 31,376,916.82
  5. Step 5: Solve for x
    x = 31,376,916.82/6,920.16
  6. Step 6: Final answer
    x = 4,534.13

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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.