Home / 6,975.99-10,471.28-4,380.75

Finding the Fourth Proportional to 6,975.99, 10,471.28 and 4,380.75

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Solution

The fourth proportional to 6,975.99, 10,471.28 and 4,380.75 is: 6,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.99 : 10,471.28 = 4,380.75 : x
  2. Step 2: Convert to fraction form
    6,975.99/10,471.28 = 4,380.75/x
  3. Step 3: Cross multiply
    6,975.99x = 10,471.28 × 4,380.75
  4. Step 4: Simplify right side
    6,975.99x = 45,872,037.96
  5. Step 5: Solve for x
    x = 45,872,037.96/6,975.99
  6. Step 6: Final answer
    x = 6,575.70

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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.