Home / 5,222.13-7,206.46-2,864.22

Finding the Fourth Proportional to 5,222.13, 7,206.46 and 2,864.22

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Solution

The fourth proportional to 5,222.13, 7,206.46 and 2,864.22 is: 3,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.13 : 7,206.46 = 2,864.22 : x
  2. Step 2: Convert to fraction form
    5,222.13/7,206.46 = 2,864.22/x
  3. Step 3: Cross multiply
    5,222.13x = 7,206.46 × 2,864.22
  4. Step 4: Simplify right side
    5,222.13x = 20,640,886.86
  5. Step 5: Solve for x
    x = 20,640,886.86/5,222.13
  6. Step 6: Final answer
    x = 3,952.58

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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.