Home / 5,248.14-7,242.43-2,890.25

Finding the Fourth Proportional to 5,248.14, 7,242.43 and 2,890.25

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Solution

The fourth proportional to 5,248.14, 7,242.43 and 2,890.25 is: 3,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.14 : 7,242.43 = 2,890.25 : x
  2. Step 2: Convert to fraction form
    5,248.14/7,242.43 = 2,890.25/x
  3. Step 3: Cross multiply
    5,248.14x = 7,242.43 × 2,890.25
  4. Step 4: Simplify right side
    5,248.14x = 20,932,418.86
  5. Step 5: Solve for x
    x = 20,932,418.86/5,248.14
  6. Step 6: Final answer
    x = 3,988.54

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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.