Home / 5,914.05-8,161.46-3,921.04

Finding the Fourth Proportional to 5,914.05, 8,161.46 and 3,921.04

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Solution

The fourth proportional to 5,914.05, 8,161.46 and 3,921.04 is: 5,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.05 : 8,161.46 = 3,921.04 : x
  2. Step 2: Convert to fraction form
    5,914.05/8,161.46 = 3,921.04/x
  3. Step 3: Cross multiply
    5,914.05x = 8,161.46 × 3,921.04
  4. Step 4: Simplify right side
    5,914.05x = 32,001,411.12
  5. Step 5: Solve for x
    x = 32,001,411.12/5,914.05
  6. Step 6: Final answer
    x = 5,411.08

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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.