Home / 3,960.59-5,465.04-2,192.19

Finding the Fourth Proportional to 3,960.59, 5,465.04 and 2,192.19

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Solution

The fourth proportional to 3,960.59, 5,465.04 and 2,192.19 is: 3,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.59 : 5,465.04 = 2,192.19 : x
  2. Step 2: Convert to fraction form
    3,960.59/5,465.04 = 2,192.19/x
  3. Step 3: Cross multiply
    3,960.59x = 5,465.04 × 2,192.19
  4. Step 4: Simplify right side
    3,960.59x = 11,980,367.75
  5. Step 5: Solve for x
    x = 11,980,367.75/3,960.59
  6. Step 6: Final answer
    x = 3,024.90

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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.