Home / 6,078.38-9,117.63-2,615.63

Finding the Fourth Proportional to 6,078.38, 9,117.63 and 2,615.63

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Solution

The fourth proportional to 6,078.38, 9,117.63 and 2,615.63 is: 3,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.38 : 9,117.63 = 2,615.63 : x
  2. Step 2: Convert to fraction form
    6,078.38/9,117.63 = 2,615.63/x
  3. Step 3: Cross multiply
    6,078.38x = 9,117.63 × 2,615.63
  4. Step 4: Simplify right side
    6,078.38x = 23,848,300.97
  5. Step 5: Solve for x
    x = 23,848,300.97/6,078.38
  6. Step 6: Final answer
    x = 3,923.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.