Home / 5,239.11-7,224.62-3,470.07

Finding the Fourth Proportional to 5,239.11, 7,224.62 and 3,470.07

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Solution

The fourth proportional to 5,239.11, 7,224.62 and 3,470.07 is: 4,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.11 : 7,224.62 = 3,470.07 : x
  2. Step 2: Convert to fraction form
    5,239.11/7,224.62 = 3,470.07/x
  3. Step 3: Cross multiply
    5,239.11x = 7,224.62 × 3,470.07
  4. Step 4: Simplify right side
    5,239.11x = 25,069,919.77
  5. Step 5: Solve for x
    x = 25,069,919.77/5,239.11
  6. Step 6: Final answer
    x = 4,785.15

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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.