Home / 6,042.84-8,338.92-3,390.12

Finding the Fourth Proportional to 6,042.84, 8,338.92 and 3,390.12

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Solution

The fourth proportional to 6,042.84, 8,338.92 and 3,390.12 is: 4,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.84 : 8,338.92 = 3,390.12 : x
  2. Step 2: Convert to fraction form
    6,042.84/8,338.92 = 3,390.12/x
  3. Step 3: Cross multiply
    6,042.84x = 8,338.92 × 3,390.12
  4. Step 4: Simplify right side
    6,042.84x = 28,269,939.47
  5. Step 5: Solve for x
    x = 28,269,939.47/6,042.84
  6. Step 6: Final answer
    x = 4,678.25

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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.