Home / 5,873.30-8,811.86-2,175.80

Finding the Fourth Proportional to 5,873.30, 8,811.86 and 2,175.80

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Solution

The fourth proportional to 5,873.30, 8,811.86 and 2,175.80 is: 3,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.30 : 8,811.86 = 2,175.80 : x
  2. Step 2: Convert to fraction form
    5,873.30/8,811.86 = 2,175.80/x
  3. Step 3: Cross multiply
    5,873.30x = 8,811.86 × 2,175.80
  4. Step 4: Simplify right side
    5,873.30x = 19,172,806.37
  5. Step 5: Solve for x
    x = 19,172,806.37/5,873.30
  6. Step 6: Final answer
    x = 3,264.40

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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.