Home / 1,839.05-2,534.94-1,440.04

Finding the Fourth Proportional to 1,839.05, 2,534.94 and 1,440.04

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Solution

The fourth proportional to 1,839.05, 2,534.94 and 1,440.04 is: 1,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.05 : 2,534.94 = 1,440.04 : x
  2. Step 2: Convert to fraction form
    1,839.05/2,534.94 = 1,440.04/x
  3. Step 3: Cross multiply
    1,839.05x = 2,534.94 × 1,440.04
  4. Step 4: Simplify right side
    1,839.05x = 3,650,415.00
  5. Step 5: Solve for x
    x = 3,650,415.00/1,839.05
  6. Step 6: Final answer
    x = 1,984.95

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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.