Home / 5,513.46-7,609.30-3,155.16

Finding the Fourth Proportional to 5,513.46, 7,609.30 and 3,155.16

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Solution

The fourth proportional to 5,513.46, 7,609.30 and 3,155.16 is: 4,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.46 : 7,609.30 = 3,155.16 : x
  2. Step 2: Convert to fraction form
    5,513.46/7,609.30 = 3,155.16/x
  3. Step 3: Cross multiply
    5,513.46x = 7,609.30 × 3,155.16
  4. Step 4: Simplify right side
    5,513.46x = 24,008,558.99
  5. Step 5: Solve for x
    x = 24,008,558.99/5,513.46
  6. Step 6: Final answer
    x = 4,354.54

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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.