Home / 5,402.84-8,087.16-3,549.56

Finding the Fourth Proportional to 5,402.84, 8,087.16 and 3,549.56

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Solution

The fourth proportional to 5,402.84, 8,087.16 and 3,549.56 is: 5,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.84 : 8,087.16 = 3,549.56 : x
  2. Step 2: Convert to fraction form
    5,402.84/8,087.16 = 3,549.56/x
  3. Step 3: Cross multiply
    5,402.84x = 8,087.16 × 3,549.56
  4. Step 4: Simplify right side
    5,402.84x = 28,705,859.65
  5. Step 5: Solve for x
    x = 28,705,859.65/5,402.84
  6. Step 6: Final answer
    x = 5,313.11

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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.