Home / 1,825.48-2,748.31-1,252.12

Finding the Fourth Proportional to 1,825.48, 2,748.31 and 1,252.12

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Solution

The fourth proportional to 1,825.48, 2,748.31 and 1,252.12 is: 1,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.48 : 2,748.31 = 1,252.12 : x
  2. Step 2: Convert to fraction form
    1,825.48/2,748.31 = 1,252.12/x
  3. Step 3: Cross multiply
    1,825.48x = 2,748.31 × 1,252.12
  4. Step 4: Simplify right side
    1,825.48x = 3,441,213.92
  5. Step 5: Solve for x
    x = 3,441,213.92/1,825.48
  6. Step 6: Final answer
    x = 1,885.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.