Home / 5,808.12-8,020.52-3,715.92

Finding the Fourth Proportional to 5,808.12, 8,020.52 and 3,715.92

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Solution

The fourth proportional to 5,808.12, 8,020.52 and 3,715.92 is: 5,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.12 : 8,020.52 = 3,715.92 : x
  2. Step 2: Convert to fraction form
    5,808.12/8,020.52 = 3,715.92/x
  3. Step 3: Cross multiply
    5,808.12x = 8,020.52 × 3,715.92
  4. Step 4: Simplify right side
    5,808.12x = 29,803,610.68
  5. Step 5: Solve for x
    x = 29,803,610.68/5,808.12
  6. Step 6: Final answer
    x = 5,131.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.