Home / 4,119.90-5,684.48-2,350.55

Finding the Fourth Proportional to 4,119.90, 5,684.48 and 2,350.55

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Solution

The fourth proportional to 4,119.90, 5,684.48 and 2,350.55 is: 3,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.90 : 5,684.48 = 2,350.55 : x
  2. Step 2: Convert to fraction form
    4,119.90/5,684.48 = 2,350.55/x
  3. Step 3: Cross multiply
    4,119.90x = 5,684.48 × 2,350.55
  4. Step 4: Simplify right side
    4,119.90x = 13,361,665.74
  5. Step 5: Solve for x
    x = 13,361,665.74/4,119.90
  6. Step 6: Final answer
    x = 3,243.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.