Home / 4,102.07-5,660.87-2,333.80

Finding the Fourth Proportional to 4,102.07, 5,660.87 and 2,333.80

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Solution

The fourth proportional to 4,102.07, 5,660.87 and 2,333.80 is: 3,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.07 : 5,660.87 = 2,333.80 : x
  2. Step 2: Convert to fraction form
    4,102.07/5,660.87 = 2,333.80/x
  3. Step 3: Cross multiply
    4,102.07x = 5,660.87 × 2,333.80
  4. Step 4: Simplify right side
    4,102.07x = 13,211,338.41
  5. Step 5: Solve for x
    x = 13,211,338.41/4,102.07
  6. Step 6: Final answer
    x = 3,220.65

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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.