Home / 5,095.05-7,031.00-2,857.29

Finding the Fourth Proportional to 5,095.05, 7,031.00 and 2,857.29

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Solution

The fourth proportional to 5,095.05, 7,031.00 and 2,857.29 is: 3,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.05 : 7,031.00 = 2,857.29 : x
  2. Step 2: Convert to fraction form
    5,095.05/7,031.00 = 2,857.29/x
  3. Step 3: Cross multiply
    5,095.05x = 7,031.00 × 2,857.29
  4. Step 4: Simplify right side
    5,095.05x = 20,089,591.70
  5. Step 5: Solve for x
    x = 20,089,591.70/5,095.05
  6. Step 6: Final answer
    x = 3,942.96

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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.