Home / 4,102.71-5,661.18-2,333.98

Finding the Fourth Proportional to 4,102.71, 5,661.18 and 2,333.98

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Solution

The fourth proportional to 4,102.71, 5,661.18 and 2,333.98 is: 3,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.71 : 5,661.18 = 2,333.98 : x
  2. Step 2: Convert to fraction form
    4,102.71/5,661.18 = 2,333.98/x
  3. Step 3: Cross multiply
    4,102.71x = 5,661.18 × 2,333.98
  4. Step 4: Simplify right side
    4,102.71x = 13,213,080.90
  5. Step 5: Solve for x
    x = 13,213,080.90/4,102.71
  6. Step 6: Final answer
    x = 3,220.57

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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.