Home / 5,555.24-7,665.78-3,071.24

Finding the Fourth Proportional to 5,555.24, 7,665.78 and 3,071.24

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Solution

The fourth proportional to 5,555.24, 7,665.78 and 3,071.24 is: 4,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.24 : 7,665.78 = 3,071.24 : x
  2. Step 2: Convert to fraction form
    5,555.24/7,665.78 = 3,071.24/x
  3. Step 3: Cross multiply
    5,555.24x = 7,665.78 × 3,071.24
  4. Step 4: Simplify right side
    5,555.24x = 23,543,450.17
  5. Step 5: Solve for x
    x = 23,543,450.17/5,555.24
  6. Step 6: Final answer
    x = 4,238.06

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Half 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.