Home / 5,126.99-7,687.86-2,351.25

Finding the Fourth Proportional to 5,126.99, 7,687.86 and 2,351.25

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Solution

The fourth proportional to 5,126.99, 7,687.86 and 2,351.25 is: 3,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.99 : 7,687.86 = 2,351.25 : x
  2. Step 2: Convert to fraction form
    5,126.99/7,687.86 = 2,351.25/x
  3. Step 3: Cross multiply
    5,126.99x = 7,687.86 × 2,351.25
  4. Step 4: Simplify right side
    5,126.99x = 18,076,080.83
  5. Step 5: Solve for x
    x = 18,076,080.83/5,126.99
  6. Step 6: Final answer
    x = 3,525.67

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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.