Home / 6,042.62-8,338.77-3,390.03

Finding the Fourth Proportional to 6,042.62, 8,338.77 and 3,390.03

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Solution

The fourth proportional to 6,042.62, 8,338.77 and 3,390.03 is: 4,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.62 : 8,338.77 = 3,390.03 : x
  2. Step 2: Convert to fraction form
    6,042.62/8,338.77 = 3,390.03/x
  3. Step 3: Cross multiply
    6,042.62x = 8,338.77 × 3,390.03
  4. Step 4: Simplify right side
    6,042.62x = 28,268,680.46
  5. Step 5: Solve for x
    x = 28,268,680.46/6,042.62
  6. Step 6: Final answer
    x = 4,678.21

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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.