Home / 2,691.90-4,031.64-2,336.04

Finding the Fourth Proportional to 2,691.90, 4,031.64 and 2,336.04

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Solution

The fourth proportional to 2,691.90, 4,031.64 and 2,336.04 is: 3,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.90 : 4,031.64 = 2,336.04 : x
  2. Step 2: Convert to fraction form
    2,691.90/4,031.64 = 2,336.04/x
  3. Step 3: Cross multiply
    2,691.90x = 4,031.64 × 2,336.04
  4. Step 4: Simplify right side
    2,691.90x = 9,418,072.31
  5. Step 5: Solve for x
    x = 9,418,072.31/2,691.90
  6. Step 6: Final answer
    x = 3,498.67

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1.5x scale

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.