Home / 5,279.98-7,287.99-3,043.35

Finding the Fourth Proportional to 5,279.98, 7,287.99 and 3,043.35

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Solution

The fourth proportional to 5,279.98, 7,287.99 and 3,043.35 is: 4,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.98 : 7,287.99 = 3,043.35 : x
  2. Step 2: Convert to fraction form
    5,279.98/7,287.99 = 3,043.35/x
  3. Step 3: Cross multiply
    5,279.98x = 7,287.99 × 3,043.35
  4. Step 4: Simplify right side
    5,279.98x = 22,179,889.58
  5. Step 5: Solve for x
    x = 22,179,889.58/5,279.98
  6. Step 6: Final answer
    x = 4,200.76

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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.