Home / 5,830.82-8,046.29-3,178.17

Finding the Fourth Proportional to 5,830.82, 8,046.29 and 3,178.17

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Solution

The fourth proportional to 5,830.82, 8,046.29 and 3,178.17 is: 4,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.82 : 8,046.29 = 3,178.17 : x
  2. Step 2: Convert to fraction form
    5,830.82/8,046.29 = 3,178.17/x
  3. Step 3: Cross multiply
    5,830.82x = 8,046.29 × 3,178.17
  4. Step 4: Simplify right side
    5,830.82x = 25,572,421.37
  5. Step 5: Solve for x
    x = 25,572,421.37/5,830.82
  6. Step 6: Final answer
    x = 4,385.73

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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.