Home / 5,732.45-8,618.12-4,577.21

Finding the Fourth Proportional to 5,732.45, 8,618.12 and 4,577.21

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Solution

The fourth proportional to 5,732.45, 8,618.12 and 4,577.21 is: 6,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.45 : 8,618.12 = 4,577.21 : x
  2. Step 2: Convert to fraction form
    5,732.45/8,618.12 = 4,577.21/x
  3. Step 3: Cross multiply
    5,732.45x = 8,618.12 × 4,577.21
  4. Step 4: Simplify right side
    5,732.45x = 39,446,945.05
  5. Step 5: Solve for x
    x = 39,446,945.05/5,732.45
  6. Step 6: Final answer
    x = 6,881.34

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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.