Home / 6,505.58-9,760.18-2,122.50

Finding the Fourth Proportional to 6,505.58, 9,760.18 and 2,122.50

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Solution

The fourth proportional to 6,505.58, 9,760.18 and 2,122.50 is: 3,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.58 : 9,760.18 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    6,505.58/9,760.18 = 2,122.50/x
  3. Step 3: Cross multiply
    6,505.58x = 9,760.18 × 2,122.50
  4. Step 4: Simplify right side
    6,505.58x = 20,715,982.05
  5. Step 5: Solve for x
    x = 20,715,982.05/6,505.58
  6. Step 6: Final answer
    x = 3,184.34

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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.