Home / 3,656.01-5,484.32-1,190.78

Finding the Fourth Proportional to 3,656.01, 5,484.32 and 1,190.78

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Solution

The fourth proportional to 3,656.01, 5,484.32 and 1,190.78 is: 1,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.01 : 5,484.32 = 1,190.78 : x
  2. Step 2: Convert to fraction form
    3,656.01/5,484.32 = 1,190.78/x
  3. Step 3: Cross multiply
    3,656.01x = 5,484.32 × 1,190.78
  4. Step 4: Simplify right side
    3,656.01x = 6,530,585.19
  5. Step 5: Solve for x
    x = 6,530,585.19/3,656.01
  6. Step 6: Final answer
    x = 1,786.26

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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.