Home / 2,177.66-3,005.16-1,182.93

Finding the Fourth Proportional to 2,177.66, 3,005.16 and 1,182.93

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Solution

The fourth proportional to 2,177.66, 3,005.16 and 1,182.93 is: 1,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.66 : 3,005.16 = 1,182.93 : x
  2. Step 2: Convert to fraction form
    2,177.66/3,005.16 = 1,182.93/x
  3. Step 3: Cross multiply
    2,177.66x = 3,005.16 × 1,182.93
  4. Step 4: Simplify right side
    2,177.66x = 3,554,898.44
  5. Step 5: Solve for x
    x = 3,554,898.44/2,177.66
  6. Step 6: Final answer
    x = 1,632.44

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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.