Home / 3,485.88-5,207.76-2,243.16

Finding the Fourth Proportional to 3,485.88, 5,207.76 and 2,243.16

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Solution

The fourth proportional to 3,485.88, 5,207.76 and 2,243.16 is: 3,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.88 : 5,207.76 = 2,243.16 : x
  2. Step 2: Convert to fraction form
    3,485.88/5,207.76 = 2,243.16/x
  3. Step 3: Cross multiply
    3,485.88x = 5,207.76 × 2,243.16
  4. Step 4: Simplify right side
    3,485.88x = 11,681,838.92
  5. Step 5: Solve for x
    x = 11,681,838.92/3,485.88
  6. Step 6: Final answer
    x = 3,351.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.