Home / 5,161.85-7,123.51-2,924.04

Finding the Fourth Proportional to 5,161.85, 7,123.51 and 2,924.04

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Solution

The fourth proportional to 5,161.85, 7,123.51 and 2,924.04 is: 4,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.85 : 7,123.51 = 2,924.04 : x
  2. Step 2: Convert to fraction form
    5,161.85/7,123.51 = 2,924.04/x
  3. Step 3: Cross multiply
    5,161.85x = 7,123.51 × 2,924.04
  4. Step 4: Simplify right side
    5,161.85x = 20,829,447.58
  5. Step 5: Solve for x
    x = 20,829,447.58/5,161.85
  6. Step 6: Final answer
    x = 4,035.27

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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.