Home / 5,178.24-7,766.04-1,480.48

Finding the Fourth Proportional to 5,178.24, 7,766.04 and 1,480.48

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Solution

The fourth proportional to 5,178.24, 7,766.04 and 1,480.48 is: 2,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.24 : 7,766.04 = 1,480.48 : x
  2. Step 2: Convert to fraction form
    5,178.24/7,766.04 = 1,480.48/x
  3. Step 3: Cross multiply
    5,178.24x = 7,766.04 × 1,480.48
  4. Step 4: Simplify right side
    5,178.24x = 11,497,466.90
  5. Step 5: Solve for x
    x = 11,497,466.90/5,178.24
  6. Step 6: Final answer
    x = 2,220.34

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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.