Home / 5,740.98-8,611.51-1,581.22

Finding the Fourth Proportional to 5,740.98, 8,611.51 and 1,581.22

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Solution

The fourth proportional to 5,740.98, 8,611.51 and 1,581.22 is: 2,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.98 : 8,611.51 = 1,581.22 : x
  2. Step 2: Convert to fraction form
    5,740.98/8,611.51 = 1,581.22/x
  3. Step 3: Cross multiply
    5,740.98x = 8,611.51 × 1,581.22
  4. Step 4: Simplify right side
    5,740.98x = 13,616,652.74
  5. Step 5: Solve for x
    x = 13,616,652.74/5,740.98
  6. Step 6: Final answer
    x = 2,371.84

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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.