Home / 5,516.37-7,612.47-2,998.38

Finding the Fourth Proportional to 5,516.37, 7,612.47 and 2,998.38

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Solution

The fourth proportional to 5,516.37, 7,612.47 and 2,998.38 is: 4,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.37 : 7,612.47 = 2,998.38 : x
  2. Step 2: Convert to fraction form
    5,516.37/7,612.47 = 2,998.38/x
  3. Step 3: Cross multiply
    5,516.37x = 7,612.47 × 2,998.38
  4. Step 4: Simplify right side
    5,516.37x = 22,825,077.80
  5. Step 5: Solve for x
    x = 22,825,077.80/5,516.37
  6. Step 6: Final answer
    x = 4,137.70

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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.