Home / 5,246.44-7,239.96-2,888.56

Finding the Fourth Proportional to 5,246.44, 7,239.96 and 2,888.56

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Solution

The fourth proportional to 5,246.44, 7,239.96 and 2,888.56 is: 3,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.44 : 7,239.96 = 2,888.56 : x
  2. Step 2: Convert to fraction form
    5,246.44/7,239.96 = 2,888.56/x
  3. Step 3: Cross multiply
    5,246.44x = 7,239.96 × 2,888.56
  4. Step 4: Simplify right side
    5,246.44x = 20,913,058.86
  5. Step 5: Solve for x
    x = 20,913,058.86/5,246.44
  6. Step 6: Final answer
    x = 3,986.14

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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.