Home / 2,540.16-3,491.24-2,243.64

Finding the Fourth Proportional to 2,540.16, 3,491.24 and 2,243.64

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Solution

The fourth proportional to 2,540.16, 3,491.24 and 2,243.64 is: 3,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.16 : 3,491.24 = 2,243.64 : x
  2. Step 2: Convert to fraction form
    2,540.16/3,491.24 = 2,243.64/x
  3. Step 3: Cross multiply
    2,540.16x = 3,491.24 × 2,243.64
  4. Step 4: Simplify right side
    2,540.16x = 7,833,085.71
  5. Step 5: Solve for x
    x = 7,833,085.71/2,540.16
  6. Step 6: Final answer
    x = 3,083.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.