Home / 7,156.89-10,731.66-2,995.76

Finding the Fourth Proportional to 7,156.89, 10,731.66 and 2,995.76

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Solution

The fourth proportional to 7,156.89, 10,731.66 and 2,995.76 is: 4,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.89 : 10,731.66 = 2,995.76 : x
  2. Step 2: Convert to fraction form
    7,156.89/10,731.66 = 2,995.76/x
  3. Step 3: Cross multiply
    7,156.89x = 10,731.66 × 2,995.76
  4. Step 4: Simplify right side
    7,156.89x = 32,149,424.10
  5. Step 5: Solve for x
    x = 32,149,424.10/7,156.89
  6. Step 6: Final answer
    x = 4,492.09

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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.