Home / 5,555.84-7,668.61-3,317.00

Finding the Fourth Proportional to 5,555.84, 7,668.61 and 3,317.00

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Solution

The fourth proportional to 5,555.84, 7,668.61 and 3,317.00 is: 4,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.84 : 7,668.61 = 3,317.00 : x
  2. Step 2: Convert to fraction form
    5,555.84/7,668.61 = 3,317.00/x
  3. Step 3: Cross multiply
    5,555.84x = 7,668.61 × 3,317.00
  4. Step 4: Simplify right side
    5,555.84x = 25,436,732.73
  5. Step 5: Solve for x
    x = 25,436,732.73/5,555.84
  6. Step 6: Final answer
    x = 4,578.38

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Half scale
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Double scale
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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.