Home / 6,901.70-9,524.31-3,876.40

Finding the Fourth Proportional to 6,901.70, 9,524.31 and 3,876.40

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Solution

The fourth proportional to 6,901.70, 9,524.31 and 3,876.40 is: 5,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.70 : 9,524.31 = 3,876.40 : x
  2. Step 2: Convert to fraction form
    6,901.70/9,524.31 = 3,876.40/x
  3. Step 3: Cross multiply
    6,901.70x = 9,524.31 × 3,876.40
  4. Step 4: Simplify right side
    6,901.70x = 36,920,035.28
  5. Step 5: Solve for x
    x = 36,920,035.28/6,901.70
  6. Step 6: Final answer
    x = 5,349.41

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1.5x scale

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.