Home / 1,943.93-2,686.43-1,727.93

Finding the Fourth Proportional to 1,943.93, 2,686.43 and 1,727.93

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Solution

The fourth proportional to 1,943.93, 2,686.43 and 1,727.93 is: 2,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.93 : 2,686.43 = 1,727.93 : x
  2. Step 2: Convert to fraction form
    1,943.93/2,686.43 = 1,727.93/x
  3. Step 3: Cross multiply
    1,943.93x = 2,686.43 × 1,727.93
  4. Step 4: Simplify right side
    1,943.93x = 4,641,962.99
  5. Step 5: Solve for x
    x = 4,641,962.99/1,943.93
  6. Step 6: Final answer
    x = 2,387.93

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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.