Home / 7,210.29-10,816.40-3,512.04

Finding the Fourth Proportional to 7,210.29, 10,816.40 and 3,512.04

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Solution

The fourth proportional to 7,210.29, 10,816.40 and 3,512.04 is: 5,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.29 : 10,816.40 = 3,512.04 : x
  2. Step 2: Convert to fraction form
    7,210.29/10,816.40 = 3,512.04/x
  3. Step 3: Cross multiply
    7,210.29x = 10,816.40 × 3,512.04
  4. Step 4: Simplify right side
    7,210.29x = 37,987,597.67
  5. Step 5: Solve for x
    x = 37,987,597.67/7,210.29
  6. Step 6: Final answer
    x = 5,268.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.