Home / 3,105.24-4,658.63-1,545.99

Finding the Fourth Proportional to 3,105.24, 4,658.63 and 1,545.99

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Solution

The fourth proportional to 3,105.24, 4,658.63 and 1,545.99 is: 2,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.24 : 4,658.63 = 1,545.99 : x
  2. Step 2: Convert to fraction form
    3,105.24/4,658.63 = 1,545.99/x
  3. Step 3: Cross multiply
    3,105.24x = 4,658.63 × 1,545.99
  4. Step 4: Simplify right side
    3,105.24x = 7,202,164.37
  5. Step 5: Solve for x
    x = 7,202,164.37/3,105.24
  6. Step 6: Final answer
    x = 2,319.36

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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.