Home / 6,105.28-9,155.04-2,817.40

Finding the Fourth Proportional to 6,105.28, 9,155.04 and 2,817.40

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Solution

The fourth proportional to 6,105.28, 9,155.04 and 2,817.40 is: 4,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.28 : 9,155.04 = 2,817.40 : x
  2. Step 2: Convert to fraction form
    6,105.28/9,155.04 = 2,817.40/x
  3. Step 3: Cross multiply
    6,105.28x = 9,155.04 × 2,817.40
  4. Step 4: Simplify right side
    6,105.28x = 25,793,409.70
  5. Step 5: Solve for x
    x = 25,793,409.70/6,105.28
  6. Step 6: Final answer
    x = 4,224.77

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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.