Home / 3,515.24-5,271.30-1,049.24

Finding the Fourth Proportional to 3,515.24, 5,271.30 and 1,049.24

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Solution

The fourth proportional to 3,515.24, 5,271.30 and 1,049.24 is: 1,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.24 : 5,271.30 = 1,049.24 : x
  2. Step 2: Convert to fraction form
    3,515.24/5,271.30 = 1,049.24/x
  3. Step 3: Cross multiply
    3,515.24x = 5,271.30 × 1,049.24
  4. Step 4: Simplify right side
    3,515.24x = 5,530,858.81
  5. Step 5: Solve for x
    x = 5,530,858.81/3,515.24
  6. Step 6: Final answer
    x = 1,573.39

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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.