Home / 5,985.20-8,252.11-3,857.06

Finding the Fourth Proportional to 5,985.20, 8,252.11 and 3,857.06

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Solution

The fourth proportional to 5,985.20, 8,252.11 and 3,857.06 is: 5,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.20 : 8,252.11 = 3,857.06 : x
  2. Step 2: Convert to fraction form
    5,985.20/8,252.11 = 3,857.06/x
  3. Step 3: Cross multiply
    5,985.20x = 8,252.11 × 3,857.06
  4. Step 4: Simplify right side
    5,985.20x = 31,828,908.85
  5. Step 5: Solve for x
    x = 31,828,908.85/5,985.20
  6. Step 6: Final answer
    x = 5,317.93

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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.