Home / 4,098.96-5,661.90-3,315.96

Finding the Fourth Proportional to 4,098.96, 5,661.90 and 3,315.96

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Solution

The fourth proportional to 4,098.96, 5,661.90 and 3,315.96 is: 4,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.96 : 5,661.90 = 3,315.96 : x
  2. Step 2: Convert to fraction form
    4,098.96/5,661.90 = 3,315.96/x
  3. Step 3: Cross multiply
    4,098.96x = 5,661.90 × 3,315.96
  4. Step 4: Simplify right side
    4,098.96x = 18,774,633.92
  5. Step 5: Solve for x
    x = 18,774,633.92/4,098.96
  6. Step 6: Final answer
    x = 4,580.34

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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.