Home / 6,949.80-9,590.58-3,805.98

Finding the Fourth Proportional to 6,949.80, 9,590.58 and 3,805.98

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Solution

The fourth proportional to 6,949.80, 9,590.58 and 3,805.98 is: 5,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.80 : 9,590.58 = 3,805.98 : x
  2. Step 2: Convert to fraction form
    6,949.80/9,590.58 = 3,805.98/x
  3. Step 3: Cross multiply
    6,949.80x = 9,590.58 × 3,805.98
  4. Step 4: Simplify right side
    6,949.80x = 36,501,555.67
  5. Step 5: Solve for x
    x = 36,501,555.67/6,949.80
  6. Step 6: Final answer
    x = 5,252.17

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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.