Home / 3,912.04-5,397.54-2,419.24

Finding the Fourth Proportional to 3,912.04, 5,397.54 and 2,419.24

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Solution

The fourth proportional to 3,912.04, 5,397.54 and 2,419.24 is: 3,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.04 : 5,397.54 = 2,419.24 : x
  2. Step 2: Convert to fraction form
    3,912.04/5,397.54 = 2,419.24/x
  3. Step 3: Cross multiply
    3,912.04x = 5,397.54 × 2,419.24
  4. Step 4: Simplify right side
    3,912.04x = 13,057,944.67
  5. Step 5: Solve for x
    x = 13,057,944.67/3,912.04
  6. Step 6: Final answer
    x = 3,337.89

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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.