Home / 2,038.22-2,812.82-1,252.52

Finding the Fourth Proportional to 2,038.22, 2,812.82 and 1,252.52

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Solution

The fourth proportional to 2,038.22, 2,812.82 and 1,252.52 is: 1,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.22 : 2,812.82 = 1,252.52 : x
  2. Step 2: Convert to fraction form
    2,038.22/2,812.82 = 1,252.52/x
  3. Step 3: Cross multiply
    2,038.22x = 2,812.82 × 1,252.52
  4. Step 4: Simplify right side
    2,038.22x = 3,523,113.31
  5. Step 5: Solve for x
    x = 3,523,113.31/2,038.22
  6. Step 6: Final answer
    x = 1,728.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.