Home / 7,156.14-10,730.76-2,225.82

Finding the Fourth Proportional to 7,156.14, 10,730.76 and 2,225.82

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Solution

The fourth proportional to 7,156.14, 10,730.76 and 2,225.82 is: 3,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.14 : 10,730.76 = 2,225.82 : x
  2. Step 2: Convert to fraction form
    7,156.14/10,730.76 = 2,225.82/x
  3. Step 3: Cross multiply
    7,156.14x = 10,730.76 × 2,225.82
  4. Step 4: Simplify right side
    7,156.14x = 23,884,740.22
  5. Step 5: Solve for x
    x = 23,884,740.22/7,156.14
  6. Step 6: Final answer
    x = 3,337.66

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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.