Home / 5,152.31-7,110.20-2,794.46

Finding the Fourth Proportional to 5,152.31, 7,110.20 and 2,794.46

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Solution

The fourth proportional to 5,152.31, 7,110.20 and 2,794.46 is: 3,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.31 : 7,110.20 = 2,794.46 : x
  2. Step 2: Convert to fraction form
    5,152.31/7,110.20 = 2,794.46/x
  3. Step 3: Cross multiply
    5,152.31x = 7,110.20 × 2,794.46
  4. Step 4: Simplify right side
    5,152.31x = 19,869,173.30
  5. Step 5: Solve for x
    x = 19,869,173.30/5,152.31
  6. Step 6: Final answer
    x = 3,856.36

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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.