Home / 5,182.22-7,155.68-4,225.28

Finding the Fourth Proportional to 5,182.22, 7,155.68 and 4,225.28

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Solution

The fourth proportional to 5,182.22, 7,155.68 and 4,225.28 is: 5,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.22 : 7,155.68 = 4,225.28 : x
  2. Step 2: Convert to fraction form
    5,182.22/7,155.68 = 4,225.28/x
  3. Step 3: Cross multiply
    5,182.22x = 7,155.68 × 4,225.28
  4. Step 4: Simplify right side
    5,182.22x = 30,234,694.69
  5. Step 5: Solve for x
    x = 30,234,694.69/5,182.22
  6. Step 6: Final answer
    x = 5,834.32

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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.