Home / 4,119.48-5,682.42-3,445.56

Finding the Fourth Proportional to 4,119.48, 5,682.42 and 3,445.56

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Solution

The fourth proportional to 4,119.48, 5,682.42 and 3,445.56 is: 4,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.48 : 5,682.42 = 3,445.56 : x
  2. Step 2: Convert to fraction form
    4,119.48/5,682.42 = 3,445.56/x
  3. Step 3: Cross multiply
    4,119.48x = 5,682.42 × 3,445.56
  4. Step 4: Simplify right side
    4,119.48x = 19,579,119.06
  5. Step 5: Solve for x
    x = 19,579,119.06/4,119.48
  6. Step 6: Final answer
    x = 4,752.81

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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.