Home / 5,095.44-7,031.46-2,857.56

Finding the Fourth Proportional to 5,095.44, 7,031.46 and 2,857.56

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Solution

The fourth proportional to 5,095.44, 7,031.46 and 2,857.56 is: 3,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.44 : 7,031.46 = 2,857.56 : x
  2. Step 2: Convert to fraction form
    5,095.44/7,031.46 = 2,857.56/x
  3. Step 3: Cross multiply
    5,095.44x = 7,031.46 × 2,857.56
  4. Step 4: Simplify right side
    5,095.44x = 20,092,818.84
  5. Step 5: Solve for x
    x = 20,092,818.84/5,095.44
  6. Step 6: Final answer
    x = 3,943.29

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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.