Home / 2,177.77-3,005.45-1,233.66

Finding the Fourth Proportional to 2,177.77, 3,005.45 and 1,233.66

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Solution

The fourth proportional to 2,177.77, 3,005.45 and 1,233.66 is: 1,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.77 : 3,005.45 = 1,233.66 : x
  2. Step 2: Convert to fraction form
    2,177.77/3,005.45 = 1,233.66/x
  3. Step 3: Cross multiply
    2,177.77x = 3,005.45 × 1,233.66
  4. Step 4: Simplify right side
    2,177.77x = 3,707,694.76
  5. Step 5: Solve for x
    x = 3,707,694.76/2,177.77
  6. Step 6: Final answer
    x = 1,702.52

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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.