Home / 6,679.98-9,222.56-4,290.92

Finding the Fourth Proportional to 6,679.98, 9,222.56 and 4,290.92

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Solution

The fourth proportional to 6,679.98, 9,222.56 and 4,290.92 is: 5,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.98 : 9,222.56 = 4,290.92 : x
  2. Step 2: Convert to fraction form
    6,679.98/9,222.56 = 4,290.92/x
  3. Step 3: Cross multiply
    6,679.98x = 9,222.56 × 4,290.92
  4. Step 4: Simplify right side
    6,679.98x = 39,573,199.59
  5. Step 5: Solve for x
    x = 39,573,199.59/6,679.98
  6. Step 6: Final answer
    x = 5,924.15

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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.