Home / 5,911.17-8,870.63-2,213.43

Finding the Fourth Proportional to 5,911.17, 8,870.63 and 2,213.43

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Solution

The fourth proportional to 5,911.17, 8,870.63 and 2,213.43 is: 3,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.17 : 8,870.63 = 2,213.43 : x
  2. Step 2: Convert to fraction form
    5,911.17/8,870.63 = 2,213.43/x
  3. Step 3: Cross multiply
    5,911.17x = 8,870.63 × 2,213.43
  4. Step 4: Simplify right side
    5,911.17x = 19,634,507.49
  5. Step 5: Solve for x
    x = 19,634,507.49/5,911.17
  6. Step 6: Final answer
    x = 3,321.59

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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.