Home / 5,074.20-7,611.21-2,607.57

Finding the Fourth Proportional to 5,074.20, 7,611.21 and 2,607.57

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Solution

The fourth proportional to 5,074.20, 7,611.21 and 2,607.57 is: 3,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.20 : 7,611.21 = 2,607.57 : x
  2. Step 2: Convert to fraction form
    5,074.20/7,611.21 = 2,607.57/x
  3. Step 3: Cross multiply
    5,074.20x = 7,611.21 × 2,607.57
  4. Step 4: Simplify right side
    5,074.20x = 19,846,762.86
  5. Step 5: Solve for x
    x = 19,846,762.86/5,074.20
  6. Step 6: Final answer
    x = 3,911.31

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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.