Home / 2,177.81-3,268.86-1,696.13

Finding the Fourth Proportional to 2,177.81, 3,268.86 and 1,696.13

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Solution

The fourth proportional to 2,177.81, 3,268.86 and 1,696.13 is: 2,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.81 : 3,268.86 = 1,696.13 : x
  2. Step 2: Convert to fraction form
    2,177.81/3,268.86 = 1,696.13/x
  3. Step 3: Cross multiply
    2,177.81x = 3,268.86 × 1,696.13
  4. Step 4: Simplify right side
    2,177.81x = 5,544,395.17
  5. Step 5: Solve for x
    x = 5,544,395.17/2,177.81
  6. Step 6: Final answer
    x = 2,545.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.