Home / 4,865.28-7,298.82-1,578.84

Finding the Fourth Proportional to 4,865.28, 7,298.82 and 1,578.84

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Solution

The fourth proportional to 4,865.28, 7,298.82 and 1,578.84 is: 2,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.28 : 7,298.82 = 1,578.84 : x
  2. Step 2: Convert to fraction form
    4,865.28/7,298.82 = 1,578.84/x
  3. Step 3: Cross multiply
    4,865.28x = 7,298.82 × 1,578.84
  4. Step 4: Simplify right side
    4,865.28x = 11,523,668.97
  5. Step 5: Solve for x
    x = 11,523,668.97/4,865.28
  6. Step 6: Final answer
    x = 2,368.55

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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.