Home / 6,961.70-10,435.80-3,061.28

Finding the Fourth Proportional to 6,961.70, 10,435.80 and 3,061.28

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Solution

The fourth proportional to 6,961.70, 10,435.80 and 3,061.28 is: 4,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.70 : 10,435.80 = 3,061.28 : x
  2. Step 2: Convert to fraction form
    6,961.70/10,435.80 = 3,061.28/x
  3. Step 3: Cross multiply
    6,961.70x = 10,435.80 × 3,061.28
  4. Step 4: Simplify right side
    6,961.70x = 31,946,905.82
  5. Step 5: Solve for x
    x = 31,946,905.82/6,961.70
  6. Step 6: Final answer
    x = 4,588.95

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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.