Home / 5,225.12-7,213.04-3,339.28

Finding the Fourth Proportional to 5,225.12, 7,213.04 and 3,339.28

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Solution

The fourth proportional to 5,225.12, 7,213.04 and 3,339.28 is: 4,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.12 : 7,213.04 = 3,339.28 : x
  2. Step 2: Convert to fraction form
    5,225.12/7,213.04 = 3,339.28/x
  3. Step 3: Cross multiply
    5,225.12x = 7,213.04 × 3,339.28
  4. Step 4: Simplify right side
    5,225.12x = 24,086,360.21
  5. Step 5: Solve for x
    x = 24,086,360.21/5,225.12
  6. Step 6: Final answer
    x = 4,609.72

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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.