Home / 2,294.02-3,440.39-712.89

Finding the Fourth Proportional to 2,294.02, 3,440.39 and 712.89

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Solution

The fourth proportional to 2,294.02, 3,440.39 and 712.89 is: 1,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.02 : 3,440.39 = 712.89 : x
  2. Step 2: Convert to fraction form
    2,294.02/3,440.39 = 712.89/x
  3. Step 3: Cross multiply
    2,294.02x = 3,440.39 × 712.89
  4. Step 4: Simplify right side
    2,294.02x = 2,452,619.63
  5. Step 5: Solve for x
    x = 2,452,619.63/2,294.02
  6. Step 6: Final answer
    x = 1,069.14

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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.