Home / 5,554.65-7,665.39-3,036.76

Finding the Fourth Proportional to 5,554.65, 7,665.39 and 3,036.76

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Solution

The fourth proportional to 5,554.65, 7,665.39 and 3,036.76 is: 4,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.65 : 7,665.39 = 3,036.76 : x
  2. Step 2: Convert to fraction form
    5,554.65/7,665.39 = 3,036.76/x
  3. Step 3: Cross multiply
    5,554.65x = 7,665.39 × 3,036.76
  4. Step 4: Simplify right side
    5,554.65x = 23,277,930.57
  5. Step 5: Solve for x
    x = 23,277,930.57/5,554.65
  6. Step 6: Final answer
    x = 4,190.71

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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.