Home / 3,219.17-4,443.32-2,635.97

Finding the Fourth Proportional to 3,219.17, 4,443.32 and 2,635.97

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Solution

The fourth proportional to 3,219.17, 4,443.32 and 2,635.97 is: 3,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.17 : 4,443.32 = 2,635.97 : x
  2. Step 2: Convert to fraction form
    3,219.17/4,443.32 = 2,635.97/x
  3. Step 3: Cross multiply
    3,219.17x = 4,443.32 × 2,635.97
  4. Step 4: Simplify right side
    3,219.17x = 11,712,442.59
  5. Step 5: Solve for x
    x = 11,712,442.59/3,219.17
  6. Step 6: Final answer
    x = 3,638.35

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1.5x scale

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.