Home / 6,877.81-10,315.35-3,366.31

Finding the Fourth Proportional to 6,877.81, 10,315.35 and 3,366.31

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Solution

The fourth proportional to 6,877.81, 10,315.35 and 3,366.31 is: 5,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.81 : 10,315.35 = 3,366.31 : x
  2. Step 2: Convert to fraction form
    6,877.81/10,315.35 = 3,366.31/x
  3. Step 3: Cross multiply
    6,877.81x = 10,315.35 × 3,366.31
  4. Step 4: Simplify right side
    6,877.81x = 34,724,659.41
  5. Step 5: Solve for x
    x = 34,724,659.41/6,877.81
  6. Step 6: Final answer
    x = 5,048.80

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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.