Home / 5,487.44-7,560.84-3,715.94

Finding the Fourth Proportional to 5,487.44, 7,560.84 and 3,715.94

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Solution

The fourth proportional to 5,487.44, 7,560.84 and 3,715.94 is: 5,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.44 : 7,560.84 = 3,715.94 : x
  2. Step 2: Convert to fraction form
    5,487.44/7,560.84 = 3,715.94/x
  3. Step 3: Cross multiply
    5,487.44x = 7,560.84 × 3,715.94
  4. Step 4: Simplify right side
    5,487.44x = 28,095,627.79
  5. Step 5: Solve for x
    x = 28,095,627.79/5,487.44
  6. Step 6: Final answer
    x = 5,119.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.