Home / 5,821.51-8,733.64-1,661.57

Finding the Fourth Proportional to 5,821.51, 8,733.64 and 1,661.57

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Solution

The fourth proportional to 5,821.51, 8,733.64 and 1,661.57 is: 2,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.51 : 8,733.64 = 1,661.57 : x
  2. Step 2: Convert to fraction form
    5,821.51/8,733.64 = 1,661.57/x
  3. Step 3: Cross multiply
    5,821.51x = 8,733.64 × 1,661.57
  4. Step 4: Simplify right side
    5,821.51x = 14,511,554.21
  5. Step 5: Solve for x
    x = 14,511,554.21/5,821.51
  6. Step 6: Final answer
    x = 2,492.75

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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.