Home / 5,830.68-8,046.27-3,178.08

Finding the Fourth Proportional to 5,830.68, 8,046.27 and 3,178.08

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Solution

The fourth proportional to 5,830.68, 8,046.27 and 3,178.08 is: 4,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.68 : 8,046.27 = 3,178.08 : x
  2. Step 2: Convert to fraction form
    5,830.68/8,046.27 = 3,178.08/x
  3. Step 3: Cross multiply
    5,830.68x = 8,046.27 × 3,178.08
  4. Step 4: Simplify right side
    5,830.68x = 25,571,689.76
  5. Step 5: Solve for x
    x = 25,571,689.76/5,830.68
  6. Step 6: Final answer
    x = 4,385.71

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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.