Home / 4,645.49-6,968.24-2,178.59

Finding the Fourth Proportional to 4,645.49, 6,968.24 and 2,178.59

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Solution

The fourth proportional to 4,645.49, 6,968.24 and 2,178.59 is: 3,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.49 : 6,968.24 = 2,178.59 : x
  2. Step 2: Convert to fraction form
    4,645.49/6,968.24 = 2,178.59/x
  3. Step 3: Cross multiply
    4,645.49x = 6,968.24 × 2,178.59
  4. Step 4: Simplify right side
    4,645.49x = 15,180,892.25
  5. Step 5: Solve for x
    x = 15,180,892.25/4,645.49
  6. Step 6: Final answer
    x = 3,267.88

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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.