Home / 5,852.18-8,781.74-2,157.01

Finding the Fourth Proportional to 5,852.18, 8,781.74 and 2,157.01

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Solution

The fourth proportional to 5,852.18, 8,781.74 and 2,157.01 is: 3,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,852.18 : 8,781.74 = 2,157.01 : x
  2. Step 2: Convert to fraction form
    5,852.18/8,781.74 = 2,157.01/x
  3. Step 3: Cross multiply
    5,852.18x = 8,781.74 × 2,157.01
  4. Step 4: Simplify right side
    5,852.18x = 18,942,276.35
  5. Step 5: Solve for x
    x = 18,942,276.35/5,852.18
  6. Step 6: Final answer
    x = 3,236.79

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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.