Home / 7,156.74-10,730.90-3,259.02

Finding the Fourth Proportional to 7,156.74, 10,730.90 and 3,259.02

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Solution

The fourth proportional to 7,156.74, 10,730.90 and 3,259.02 is: 4,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.74 : 10,730.90 = 3,259.02 : x
  2. Step 2: Convert to fraction form
    7,156.74/10,730.90 = 3,259.02/x
  3. Step 3: Cross multiply
    7,156.74x = 10,730.90 × 3,259.02
  4. Step 4: Simplify right side
    7,156.74x = 34,972,217.72
  5. Step 5: Solve for x
    x = 34,972,217.72/7,156.74
  6. Step 6: Final answer
    x = 4,886.61

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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.