Home / 6,078.30-8,391.51-4,192.62

Finding the Fourth Proportional to 6,078.30, 8,391.51 and 4,192.62

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Solution

The fourth proportional to 6,078.30, 8,391.51 and 4,192.62 is: 5,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.30 : 8,391.51 = 4,192.62 : x
  2. Step 2: Convert to fraction form
    6,078.30/8,391.51 = 4,192.62/x
  3. Step 3: Cross multiply
    6,078.30x = 8,391.51 × 4,192.62
  4. Step 4: Simplify right side
    6,078.30x = 35,182,412.66
  5. Step 5: Solve for x
    x = 35,182,412.66/6,078.30
  6. Step 6: Final answer
    x = 5,788.20

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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.