Home / 3,104.46-4,656.70-913.24

Finding the Fourth Proportional to 3,104.46, 4,656.70 and 913.24

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Solution

The fourth proportional to 3,104.46, 4,656.70 and 913.24 is: 1,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.46 : 4,656.70 = 913.24 : x
  2. Step 2: Convert to fraction form
    3,104.46/4,656.70 = 913.24/x
  3. Step 3: Cross multiply
    3,104.46x = 4,656.70 × 913.24
  4. Step 4: Simplify right side
    3,104.46x = 4,252,684.71
  5. Step 5: Solve for x
    x = 4,252,684.71/3,104.46
  6. Step 6: Final answer
    x = 1,369.86

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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.