Home / 5,638.85-8,459.79-1,941.14

Finding the Fourth Proportional to 5,638.85, 8,459.79 and 1,941.14

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Solution

The fourth proportional to 5,638.85, 8,459.79 and 1,941.14 is: 2,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.85 : 8,459.79 = 1,941.14 : x
  2. Step 2: Convert to fraction form
    5,638.85/8,459.79 = 1,941.14/x
  3. Step 3: Cross multiply
    5,638.85x = 8,459.79 × 1,941.14
  4. Step 4: Simplify right side
    5,638.85x = 16,421,636.76
  5. Step 5: Solve for x
    x = 16,421,636.76/5,638.85
  6. Step 6: Final answer
    x = 2,912.23

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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.