Home / 6,465.28-8,922.61-3,777.36

Finding the Fourth Proportional to 6,465.28, 8,922.61 and 3,777.36

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Solution

The fourth proportional to 6,465.28, 8,922.61 and 3,777.36 is: 5,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.28 : 8,922.61 = 3,777.36 : x
  2. Step 2: Convert to fraction form
    6,465.28/8,922.61 = 3,777.36/x
  3. Step 3: Cross multiply
    6,465.28x = 8,922.61 × 3,777.36
  4. Step 4: Simplify right side
    6,465.28x = 33,703,913.53
  5. Step 5: Solve for x
    x = 33,703,913.53/6,465.28
  6. Step 6: Final answer
    x = 5,213.06

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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.