Home / 7,115.02-10,672.60-2,731.44

Finding the Fourth Proportional to 7,115.02, 10,672.60 and 2,731.44

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Solution

The fourth proportional to 7,115.02, 10,672.60 and 2,731.44 is: 4,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.02 : 10,672.60 = 2,731.44 : x
  2. Step 2: Convert to fraction form
    7,115.02/10,672.60 = 2,731.44/x
  3. Step 3: Cross multiply
    7,115.02x = 10,672.60 × 2,731.44
  4. Step 4: Simplify right side
    7,115.02x = 29,151,566.54
  5. Step 5: Solve for x
    x = 29,151,566.54/7,115.02
  6. Step 6: Final answer
    x = 4,097.19

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1.5x scale

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.