Home / 5,287.31-7,296.40-3,049.01

Finding the Fourth Proportional to 5,287.31, 7,296.40 and 3,049.01

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Solution

The fourth proportional to 5,287.31, 7,296.40 and 3,049.01 is: 4,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.31 : 7,296.40 = 3,049.01 : x
  2. Step 2: Convert to fraction form
    5,287.31/7,296.40 = 3,049.01/x
  3. Step 3: Cross multiply
    5,287.31x = 7,296.40 × 3,049.01
  4. Step 4: Simplify right side
    5,287.31x = 22,246,796.56
  5. Step 5: Solve for x
    x = 22,246,796.56/5,287.31
  6. Step 6: Final answer
    x = 4,207.58

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1.5x scale

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.