Home / 5,830.62-8,046.43-3,178.20

Finding the Fourth Proportional to 5,830.62, 8,046.43 and 3,178.20

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Solution

The fourth proportional to 5,830.62, 8,046.43 and 3,178.20 is: 4,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.62 : 8,046.43 = 3,178.20 : x
  2. Step 2: Convert to fraction form
    5,830.62/8,046.43 = 3,178.20/x
  3. Step 3: Cross multiply
    5,830.62x = 8,046.43 × 3,178.20
  4. Step 4: Simplify right side
    5,830.62x = 25,573,163.83
  5. Step 5: Solve for x
    x = 25,573,163.83/5,830.62
  6. Step 6: Final answer
    x = 4,386.01

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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.