Home / 3,560.53-4,915.84-3,186.86

Finding the Fourth Proportional to 3,560.53, 4,915.84 and 3,186.86

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Solution

The fourth proportional to 3,560.53, 4,915.84 and 3,186.86 is: 4,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.53 : 4,915.84 = 3,186.86 : x
  2. Step 2: Convert to fraction form
    3,560.53/4,915.84 = 3,186.86/x
  3. Step 3: Cross multiply
    3,560.53x = 4,915.84 × 3,186.86
  4. Step 4: Simplify right side
    3,560.53x = 15,666,093.86
  5. Step 5: Solve for x
    x = 15,666,093.86/3,560.53
  6. Step 6: Final answer
    x = 4,399.94

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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.