Home / 5,921.17-8,873.88-2,219.68

Finding the Fourth Proportional to 5,921.17, 8,873.88 and 2,219.68

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Solution

The fourth proportional to 5,921.17, 8,873.88 and 2,219.68 is: 3,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.17 : 8,873.88 = 2,219.68 : x
  2. Step 2: Convert to fraction form
    5,921.17/8,873.88 = 2,219.68/x
  3. Step 3: Cross multiply
    5,921.17x = 8,873.88 × 2,219.68
  4. Step 4: Simplify right side
    5,921.17x = 19,697,173.96
  5. Step 5: Solve for x
    x = 19,697,173.96/5,921.17
  6. Step 6: Final answer
    x = 3,326.57

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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.