Home / 3,917.63-5,868.62-2,356.77

Finding the Fourth Proportional to 3,917.63, 5,868.62 and 2,356.77

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Solution

The fourth proportional to 3,917.63, 5,868.62 and 2,356.77 is: 3,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.63 : 5,868.62 = 2,356.77 : x
  2. Step 2: Convert to fraction form
    3,917.63/5,868.62 = 2,356.77/x
  3. Step 3: Cross multiply
    3,917.63x = 5,868.62 × 2,356.77
  4. Step 4: Simplify right side
    3,917.63x = 13,830,997.78
  5. Step 5: Solve for x
    x = 13,830,997.78/3,917.63
  6. Step 6: Final answer
    x = 3,530.45

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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.