Home / 7,316.64-10,969.20-2,635.92

Finding the Fourth Proportional to 7,316.64, 10,969.20 and 2,635.92

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Solution

The fourth proportional to 7,316.64, 10,969.20 and 2,635.92 is: 3,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.64 : 10,969.20 = 2,635.92 : x
  2. Step 2: Convert to fraction form
    7,316.64/10,969.20 = 2,635.92/x
  3. Step 3: Cross multiply
    7,316.64x = 10,969.20 × 2,635.92
  4. Step 4: Simplify right side
    7,316.64x = 28,913,933.66
  5. Step 5: Solve for x
    x = 28,913,933.66/7,316.64
  6. Step 6: Final answer
    x = 3,951.80

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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.