Home / 4,078.13-6,117.19-1,769.63

Finding the Fourth Proportional to 4,078.13, 6,117.19 and 1,769.63

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Solution

The fourth proportional to 4,078.13, 6,117.19 and 1,769.63 is: 2,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.13 : 6,117.19 = 1,769.63 : x
  2. Step 2: Convert to fraction form
    4,078.13/6,117.19 = 1,769.63/x
  3. Step 3: Cross multiply
    4,078.13x = 6,117.19 × 1,769.63
  4. Step 4: Simplify right side
    4,078.13x = 10,825,127.93
  5. Step 5: Solve for x
    x = 10,825,127.93/4,078.13
  6. Step 6: Final answer
    x = 2,654.44

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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.