Home / 3,665.16-5,497.62-2,100.32

Finding the Fourth Proportional to 3,665.16, 5,497.62 and 2,100.32

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Solution

The fourth proportional to 3,665.16, 5,497.62 and 2,100.32 is: 3,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.16 : 5,497.62 = 2,100.32 : x
  2. Step 2: Convert to fraction form
    3,665.16/5,497.62 = 2,100.32/x
  3. Step 3: Cross multiply
    3,665.16x = 5,497.62 × 2,100.32
  4. Step 4: Simplify right side
    3,665.16x = 11,546,733.75
  5. Step 5: Solve for x
    x = 11,546,733.75/3,665.16
  6. Step 6: Final answer
    x = 3,150.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.