Home / 2,839.16-3,914.68-1,943.33

Finding the Fourth Proportional to 2,839.16, 3,914.68 and 1,943.33

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Solution

The fourth proportional to 2,839.16, 3,914.68 and 1,943.33 is: 2,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.16 : 3,914.68 = 1,943.33 : x
  2. Step 2: Convert to fraction form
    2,839.16/3,914.68 = 1,943.33/x
  3. Step 3: Cross multiply
    2,839.16x = 3,914.68 × 1,943.33
  4. Step 4: Simplify right side
    2,839.16x = 7,607,502.83
  5. Step 5: Solve for x
    x = 7,607,502.83/2,839.16
  6. Step 6: Final answer
    x = 2,679.50

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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.