Home / 7,352.70-10,146.83-3,995.57

Finding the Fourth Proportional to 7,352.70, 10,146.83 and 3,995.57

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Solution

The fourth proportional to 7,352.70, 10,146.83 and 3,995.57 is: 5,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.70 : 10,146.83 = 3,995.57 : x
  2. Step 2: Convert to fraction form
    7,352.70/10,146.83 = 3,995.57/x
  3. Step 3: Cross multiply
    7,352.70x = 10,146.83 × 3,995.57
  4. Step 4: Simplify right side
    7,352.70x = 40,542,298.83
  5. Step 5: Solve for x
    x = 40,542,298.83/7,352.70
  6. Step 6: Final answer
    x = 5,513.93

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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.