Home / 5,225.18-7,210.68-2,867.32

Finding the Fourth Proportional to 5,225.18, 7,210.68 and 2,867.32

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Solution

The fourth proportional to 5,225.18, 7,210.68 and 2,867.32 is: 3,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.18 : 7,210.68 = 2,867.32 : x
  2. Step 2: Convert to fraction form
    5,225.18/7,210.68 = 2,867.32/x
  3. Step 3: Cross multiply
    5,225.18x = 7,210.68 × 2,867.32
  4. Step 4: Simplify right side
    5,225.18x = 20,675,326.98
  5. Step 5: Solve for x
    x = 20,675,326.98/5,225.18
  6. Step 6: Final answer
    x = 3,956.86

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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.