Home / 5,715.88-8,573.56-2,205.24

Finding the Fourth Proportional to 5,715.88, 8,573.56 and 2,205.24

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Solution

The fourth proportional to 5,715.88, 8,573.56 and 2,205.24 is: 3,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.88 : 8,573.56 = 2,205.24 : x
  2. Step 2: Convert to fraction form
    5,715.88/8,573.56 = 2,205.24/x
  3. Step 3: Cross multiply
    5,715.88x = 8,573.56 × 2,205.24
  4. Step 4: Simplify right side
    5,715.88x = 18,906,719.79
  5. Step 5: Solve for x
    x = 18,906,719.79/5,715.88
  6. Step 6: Final answer
    x = 3,307.75

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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.