Home / 6,690.47-9,232.38-3,706.02

Finding the Fourth Proportional to 6,690.47, 9,232.38 and 3,706.02

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Solution

The fourth proportional to 6,690.47, 9,232.38 and 3,706.02 is: 5,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.47 : 9,232.38 = 3,706.02 : x
  2. Step 2: Convert to fraction form
    6,690.47/9,232.38 = 3,706.02/x
  3. Step 3: Cross multiply
    6,690.47x = 9,232.38 × 3,706.02
  4. Step 4: Simplify right side
    6,690.47x = 34,215,384.93
  5. Step 5: Solve for x
    x = 34,215,384.93/6,690.47
  6. Step 6: Final answer
    x = 5,114.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.