Home / 5,199.88-7,179.06-3,312.52

Finding the Fourth Proportional to 5,199.88, 7,179.06 and 3,312.52

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Solution

The fourth proportional to 5,199.88, 7,179.06 and 3,312.52 is: 4,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.88 : 7,179.06 = 3,312.52 : x
  2. Step 2: Convert to fraction form
    5,199.88/7,179.06 = 3,312.52/x
  3. Step 3: Cross multiply
    5,199.88x = 7,179.06 × 3,312.52
  4. Step 4: Simplify right side
    5,199.88x = 23,780,779.83
  5. Step 5: Solve for x
    x = 23,780,779.83/5,199.88
  6. Step 6: Final answer
    x = 4,573.33

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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.