Home / 7,280.66-10,913.20-3,767.13

Finding the Fourth Proportional to 7,280.66, 10,913.20 and 3,767.13

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Solution

The fourth proportional to 7,280.66, 10,913.20 and 3,767.13 is: 5,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.66 : 10,913.20 = 3,767.13 : x
  2. Step 2: Convert to fraction form
    7,280.66/10,913.20 = 3,767.13/x
  3. Step 3: Cross multiply
    7,280.66x = 10,913.20 × 3,767.13
  4. Step 4: Simplify right side
    7,280.66x = 41,111,443.12
  5. Step 5: Solve for x
    x = 41,111,443.12/7,280.66
  6. Step 6: Final answer
    x = 5,646.66

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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.