Home / 6,917.19-9,545.71-3,933.03

Finding the Fourth Proportional to 6,917.19, 9,545.71 and 3,933.03

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Solution

The fourth proportional to 6,917.19, 9,545.71 and 3,933.03 is: 5,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.19 : 9,545.71 = 3,933.03 : x
  2. Step 2: Convert to fraction form
    6,917.19/9,545.71 = 3,933.03/x
  3. Step 3: Cross multiply
    6,917.19x = 9,545.71 × 3,933.03
  4. Step 4: Simplify right side
    6,917.19x = 37,543,563.80
  5. Step 5: Solve for x
    x = 37,543,563.80/6,917.19
  6. Step 6: Final answer
    x = 5,427.57

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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.