Home / 5,754.29-8,631.48-1,858.70

Finding the Fourth Proportional to 5,754.29, 8,631.48 and 1,858.70

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Solution

The fourth proportional to 5,754.29, 8,631.48 and 1,858.70 is: 2,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.29 : 8,631.48 = 1,858.70 : x
  2. Step 2: Convert to fraction form
    5,754.29/8,631.48 = 1,858.70/x
  3. Step 3: Cross multiply
    5,754.29x = 8,631.48 × 1,858.70
  4. Step 4: Simplify right side
    5,754.29x = 16,043,288.72
  5. Step 5: Solve for x
    x = 16,043,288.72/5,754.29
  6. Step 6: Final answer
    x = 2,788.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.