Home / 4,069.12-5,615.58-2,301.28

Finding the Fourth Proportional to 4,069.12, 5,615.58 and 2,301.28

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Solution

The fourth proportional to 4,069.12, 5,615.58 and 2,301.28 is: 3,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.12 : 5,615.58 = 2,301.28 : x
  2. Step 2: Convert to fraction form
    4,069.12/5,615.58 = 2,301.28/x
  3. Step 3: Cross multiply
    4,069.12x = 5,615.58 × 2,301.28
  4. Step 4: Simplify right side
    4,069.12x = 12,923,021.94
  5. Step 5: Solve for x
    x = 12,923,021.94/4,069.12
  6. Step 6: Final answer
    x = 3,175.88

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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.