Home / 4,523.60-6,782.85-3,100.45

Finding the Fourth Proportional to 4,523.60, 6,782.85 and 3,100.45

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Solution

The fourth proportional to 4,523.60, 6,782.85 and 3,100.45 is: 4,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,523.60 : 6,782.85 = 3,100.45 : x
  2. Step 2: Convert to fraction form
    4,523.60/6,782.85 = 3,100.45/x
  3. Step 3: Cross multiply
    4,523.60x = 6,782.85 × 3,100.45
  4. Step 4: Simplify right side
    4,523.60x = 21,029,870.33
  5. Step 5: Solve for x
    x = 21,029,870.33/4,523.60
  6. Step 6: Final answer
    x = 4,648.92

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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.