Home / 3,585.61-4,948.05-2,170.09

Finding the Fourth Proportional to 3,585.61, 4,948.05 and 2,170.09

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Solution

The fourth proportional to 3,585.61, 4,948.05 and 2,170.09 is: 2,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.61 : 4,948.05 = 2,170.09 : x
  2. Step 2: Convert to fraction form
    3,585.61/4,948.05 = 2,170.09/x
  3. Step 3: Cross multiply
    3,585.61x = 4,948.05 × 2,170.09
  4. Step 4: Simplify right side
    3,585.61x = 10,737,713.82
  5. Step 5: Solve for x
    x = 10,737,713.82/3,585.61
  6. Step 6: Final answer
    x = 2,994.67

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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.