Home / 4,102.40-5,660.88-2,333.72

Finding the Fourth Proportional to 4,102.40, 5,660.88 and 2,333.72

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Solution

The fourth proportional to 4,102.40, 5,660.88 and 2,333.72 is: 3,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.40 : 5,660.88 = 2,333.72 : x
  2. Step 2: Convert to fraction form
    4,102.40/5,660.88 = 2,333.72/x
  3. Step 3: Cross multiply
    4,102.40x = 5,660.88 × 2,333.72
  4. Step 4: Simplify right side
    4,102.40x = 13,210,908.87
  5. Step 5: Solve for x
    x = 13,210,908.87/4,102.40
  6. Step 6: Final answer
    x = 3,220.29

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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.