Home / 5,742.89-7,926.42-3,504.28

Finding the Fourth Proportional to 5,742.89, 7,926.42 and 3,504.28

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Solution

The fourth proportional to 5,742.89, 7,926.42 and 3,504.28 is: 4,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.89 : 7,926.42 = 3,504.28 : x
  2. Step 2: Convert to fraction form
    5,742.89/7,926.42 = 3,504.28/x
  3. Step 3: Cross multiply
    5,742.89x = 7,926.42 × 3,504.28
  4. Step 4: Simplify right side
    5,742.89x = 27,776,395.08
  5. Step 5: Solve for x
    x = 27,776,395.08/5,742.89
  6. Step 6: Final answer
    x = 4,836.66

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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.