Home / 5,830.98-8,046.88-3,178.52

Finding the Fourth Proportional to 5,830.98, 8,046.88 and 3,178.52

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Solution

The fourth proportional to 5,830.98, 8,046.88 and 3,178.52 is: 4,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.98 : 8,046.88 = 3,178.52 : x
  2. Step 2: Convert to fraction form
    5,830.98/8,046.88 = 3,178.52/x
  3. Step 3: Cross multiply
    5,830.98x = 8,046.88 × 3,178.52
  4. Step 4: Simplify right side
    5,830.98x = 25,577,169.02
  5. Step 5: Solve for x
    x = 25,577,169.02/5,830.98
  6. Step 6: Final answer
    x = 4,386.43

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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.