Home / 2,675.16-4,013.52-1,215.48

Finding the Fourth Proportional to 2,675.16, 4,013.52 and 1,215.48

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Solution

The fourth proportional to 2,675.16, 4,013.52 and 1,215.48 is: 1,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.16 : 4,013.52 = 1,215.48 : x
  2. Step 2: Convert to fraction form
    2,675.16/4,013.52 = 1,215.48/x
  3. Step 3: Cross multiply
    2,675.16x = 4,013.52 × 1,215.48
  4. Step 4: Simplify right side
    2,675.16x = 4,878,353.29
  5. Step 5: Solve for x
    x = 4,878,353.29/2,675.16
  6. Step 6: Final answer
    x = 1,823.57

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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.