Home / 3,603.50-4,972.82-2,031.58

Finding the Fourth Proportional to 3,603.50, 4,972.82 and 2,031.58

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Solution

The fourth proportional to 3,603.50, 4,972.82 and 2,031.58 is: 2,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.50 : 4,972.82 = 2,031.58 : x
  2. Step 2: Convert to fraction form
    3,603.50/4,972.82 = 2,031.58/x
  3. Step 3: Cross multiply
    3,603.50x = 4,972.82 × 2,031.58
  4. Step 4: Simplify right side
    3,603.50x = 10,102,659.07
  5. Step 5: Solve for x
    x = 10,102,659.07/3,603.50
  6. Step 6: Final answer
    x = 2,803.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.