Home / 7,307.20-10,961.86-2,307.88

Finding the Fourth Proportional to 7,307.20, 10,961.86 and 2,307.88

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Solution

The fourth proportional to 7,307.20, 10,961.86 and 2,307.88 is: 3,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.20 : 10,961.86 = 2,307.88 : x
  2. Step 2: Convert to fraction form
    7,307.20/10,961.86 = 2,307.88/x
  3. Step 3: Cross multiply
    7,307.20x = 10,961.86 × 2,307.88
  4. Step 4: Simplify right side
    7,307.20x = 25,298,657.46
  5. Step 5: Solve for x
    x = 25,298,657.46/7,307.20
  6. Step 6: Final answer
    x = 3,462.15

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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.