Home / 6,555.70-9,046.78-3,571.46

Finding the Fourth Proportional to 6,555.70, 9,046.78 and 3,571.46

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Solution

The fourth proportional to 6,555.70, 9,046.78 and 3,571.46 is: 4,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.70 : 9,046.78 = 3,571.46 : x
  2. Step 2: Convert to fraction form
    6,555.70/9,046.78 = 3,571.46/x
  3. Step 3: Cross multiply
    6,555.70x = 9,046.78 × 3,571.46
  4. Step 4: Simplify right side
    6,555.70x = 32,310,212.90
  5. Step 5: Solve for x
    x = 32,310,212.90/6,555.70
  6. Step 6: Final answer
    x = 4,928.57

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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.