Home / 1,625.84-2,440.32-1,049.12

Finding the Fourth Proportional to 1,625.84, 2,440.32 and 1,049.12

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Solution

The fourth proportional to 1,625.84, 2,440.32 and 1,049.12 is: 1,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.84 : 2,440.32 = 1,049.12 : x
  2. Step 2: Convert to fraction form
    1,625.84/2,440.32 = 1,049.12/x
  3. Step 3: Cross multiply
    1,625.84x = 2,440.32 × 1,049.12
  4. Step 4: Simplify right side
    1,625.84x = 2,560,188.52
  5. Step 5: Solve for x
    x = 2,560,188.52/1,625.84
  6. Step 6: Final answer
    x = 1,574.69

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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.