Home / 7,182.02-10,776.29-3,231.11

Finding the Fourth Proportional to 7,182.02, 10,776.29 and 3,231.11

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Solution

The fourth proportional to 7,182.02, 10,776.29 and 3,231.11 is: 4,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.02 : 10,776.29 = 3,231.11 : x
  2. Step 2: Convert to fraction form
    7,182.02/10,776.29 = 3,231.11/x
  3. Step 3: Cross multiply
    7,182.02x = 10,776.29 × 3,231.11
  4. Step 4: Simplify right side
    7,182.02x = 34,819,366.93
  5. Step 5: Solve for x
    x = 34,819,366.93/7,182.02
  6. Step 6: Final answer
    x = 4,848.13

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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.