Home / 2,087.88-3,132.19-701.67

Finding the Fourth Proportional to 2,087.88, 3,132.19 and 701.67

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Solution

The fourth proportional to 2,087.88, 3,132.19 and 701.67 is: 1,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.88 : 3,132.19 = 701.67 : x
  2. Step 2: Convert to fraction form
    2,087.88/3,132.19 = 701.67/x
  3. Step 3: Cross multiply
    2,087.88x = 3,132.19 × 701.67
  4. Step 4: Simplify right side
    2,087.88x = 2,197,763.76
  5. Step 5: Solve for x
    x = 2,197,763.76/2,087.88
  6. Step 6: Final answer
    x = 1,052.63

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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.