Home / 2,962.64-4,089.08-2,020.67

Finding the Fourth Proportional to 2,962.64, 4,089.08 and 2,020.67

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Solution

The fourth proportional to 2,962.64, 4,089.08 and 2,020.67 is: 2,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.64 : 4,089.08 = 2,020.67 : x
  2. Step 2: Convert to fraction form
    2,962.64/4,089.08 = 2,020.67/x
  3. Step 3: Cross multiply
    2,962.64x = 4,089.08 × 2,020.67
  4. Step 4: Simplify right side
    2,962.64x = 8,262,696.56
  5. Step 5: Solve for x
    x = 8,262,696.56/2,962.64
  6. Step 6: Final answer
    x = 2,788.97

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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.