Home / 5,204.72-7,182.40-2,846.80

Finding the Fourth Proportional to 5,204.72, 7,182.40 and 2,846.80

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Solution

The fourth proportional to 5,204.72, 7,182.40 and 2,846.80 is: 3,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.72 : 7,182.40 = 2,846.80 : x
  2. Step 2: Convert to fraction form
    5,204.72/7,182.40 = 2,846.80/x
  3. Step 3: Cross multiply
    5,204.72x = 7,182.40 × 2,846.80
  4. Step 4: Simplify right side
    5,204.72x = 20,446,856.32
  5. Step 5: Solve for x
    x = 20,446,856.32/5,204.72
  6. Step 6: Final answer
    x = 3,928.52

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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.