Home / 5,830.77-8,046.24-3,178.13

Finding the Fourth Proportional to 5,830.77, 8,046.24 and 3,178.13

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Solution

The fourth proportional to 5,830.77, 8,046.24 and 3,178.13 is: 4,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.77 : 8,046.24 = 3,178.13 : x
  2. Step 2: Convert to fraction form
    5,830.77/8,046.24 = 3,178.13/x
  3. Step 3: Cross multiply
    5,830.77x = 8,046.24 × 3,178.13
  4. Step 4: Simplify right side
    5,830.77x = 25,571,956.50
  5. Step 5: Solve for x
    x = 25,571,956.50/5,830.77
  6. Step 6: Final answer
    x = 4,385.69

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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.