Home / 2,127.93-3,193.77-1,141.55

Finding the Fourth Proportional to 2,127.93, 3,193.77 and 1,141.55

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Solution

The fourth proportional to 2,127.93, 3,193.77 and 1,141.55 is: 1,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.93 : 3,193.77 = 1,141.55 : x
  2. Step 2: Convert to fraction form
    2,127.93/3,193.77 = 1,141.55/x
  3. Step 3: Cross multiply
    2,127.93x = 3,193.77 × 1,141.55
  4. Step 4: Simplify right side
    2,127.93x = 3,645,832.17
  5. Step 5: Solve for x
    x = 3,645,832.17/2,127.93
  6. Step 6: Final answer
    x = 1,713.32

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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.