Home / 3,098.54-4,276.12-1,772.66

Finding the Fourth Proportional to 3,098.54, 4,276.12 and 1,772.66

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Solution

The fourth proportional to 3,098.54, 4,276.12 and 1,772.66 is: 2,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.54 : 4,276.12 = 1,772.66 : x
  2. Step 2: Convert to fraction form
    3,098.54/4,276.12 = 1,772.66/x
  3. Step 3: Cross multiply
    3,098.54x = 4,276.12 × 1,772.66
  4. Step 4: Simplify right side
    3,098.54x = 7,580,106.88
  5. Step 5: Solve for x
    x = 7,580,106.88/3,098.54
  6. Step 6: Final answer
    x = 2,446.35

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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.