Home / 5,213.98-7,195.29-2,856.10

Finding the Fourth Proportional to 5,213.98, 7,195.29 and 2,856.10

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Solution

The fourth proportional to 5,213.98, 7,195.29 and 2,856.10 is: 3,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.98 : 7,195.29 = 2,856.10 : x
  2. Step 2: Convert to fraction form
    5,213.98/7,195.29 = 2,856.10/x
  3. Step 3: Cross multiply
    5,213.98x = 7,195.29 × 2,856.10
  4. Step 4: Simplify right side
    5,213.98x = 20,550,467.77
  5. Step 5: Solve for x
    x = 20,550,467.77/5,213.98
  6. Step 6: Final answer
    x = 3,941.42

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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.