Home / 5,917.86-8,880.75-2,455.11

Finding the Fourth Proportional to 5,917.86, 8,880.75 and 2,455.11

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Solution

The fourth proportional to 5,917.86, 8,880.75 and 2,455.11 is: 3,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.86 : 8,880.75 = 2,455.11 : x
  2. Step 2: Convert to fraction form
    5,917.86/8,880.75 = 2,455.11/x
  3. Step 3: Cross multiply
    5,917.86x = 8,880.75 × 2,455.11
  4. Step 4: Simplify right side
    5,917.86x = 21,803,218.13
  5. Step 5: Solve for x
    x = 21,803,218.13/5,917.86
  6. Step 6: Final answer
    x = 3,684.31

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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.