Home / 5,313.52-7,966.87-2,540.13

Finding the Fourth Proportional to 5,313.52, 7,966.87 and 2,540.13

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Solution

The fourth proportional to 5,313.52, 7,966.87 and 2,540.13 is: 3,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.52 : 7,966.87 = 2,540.13 : x
  2. Step 2: Convert to fraction form
    5,313.52/7,966.87 = 2,540.13/x
  3. Step 3: Cross multiply
    5,313.52x = 7,966.87 × 2,540.13
  4. Step 4: Simplify right side
    5,313.52x = 20,236,920.06
  5. Step 5: Solve for x
    x = 20,236,920.06/5,313.52
  6. Step 6: Final answer
    x = 3,808.57

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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.