Home / 5,679.84-8,513.58-2,902.56

Finding the Fourth Proportional to 5,679.84, 8,513.58 and 2,902.56

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Solution

The fourth proportional to 5,679.84, 8,513.58 and 2,902.56 is: 4,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.84 : 8,513.58 = 2,902.56 : x
  2. Step 2: Convert to fraction form
    5,679.84/8,513.58 = 2,902.56/x
  3. Step 3: Cross multiply
    5,679.84x = 8,513.58 × 2,902.56
  4. Step 4: Simplify right side
    5,679.84x = 24,711,176.76
  5. Step 5: Solve for x
    x = 24,711,176.76/5,679.84
  6. Step 6: Final answer
    x = 4,350.68

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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.