Home / 2,867.93-3,959.14-1,923.38

Finding the Fourth Proportional to 2,867.93, 3,959.14 and 1,923.38

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Solution

The fourth proportional to 2,867.93, 3,959.14 and 1,923.38 is: 2,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.93 : 3,959.14 = 1,923.38 : x
  2. Step 2: Convert to fraction form
    2,867.93/3,959.14 = 1,923.38/x
  3. Step 3: Cross multiply
    2,867.93x = 3,959.14 × 1,923.38
  4. Step 4: Simplify right side
    2,867.93x = 7,614,901.28
  5. Step 5: Solve for x
    x = 7,614,901.28/2,867.93
  6. Step 6: Final answer
    x = 2,655.19

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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.