Home / 3,684.56-5,525.64-1,218.92

Finding the Fourth Proportional to 3,684.56, 5,525.64 and 1,218.92

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Solution

The fourth proportional to 3,684.56, 5,525.64 and 1,218.92 is: 1,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.56 : 5,525.64 = 1,218.92 : x
  2. Step 2: Convert to fraction form
    3,684.56/5,525.64 = 1,218.92/x
  3. Step 3: Cross multiply
    3,684.56x = 5,525.64 × 1,218.92
  4. Step 4: Simplify right side
    3,684.56x = 6,735,313.11
  5. Step 5: Solve for x
    x = 6,735,313.11/3,684.56
  6. Step 6: Final answer
    x = 1,827.98

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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.