Home / 4,271.36-5,886.38-2,942.68

Finding the Fourth Proportional to 4,271.36, 5,886.38 and 2,942.68

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Solution

The fourth proportional to 4,271.36, 5,886.38 and 2,942.68 is: 4,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.36 : 5,886.38 = 2,942.68 : x
  2. Step 2: Convert to fraction form
    4,271.36/5,886.38 = 2,942.68/x
  3. Step 3: Cross multiply
    4,271.36x = 5,886.38 × 2,942.68
  4. Step 4: Simplify right side
    4,271.36x = 17,321,732.70
  5. Step 5: Solve for x
    x = 17,321,732.70/4,271.36
  6. Step 6: Final answer
    x = 4,055.32

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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.