Home / 5,913.15-8,160.04-3,224.40

Finding the Fourth Proportional to 5,913.15, 8,160.04 and 3,224.40

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Solution

The fourth proportional to 5,913.15, 8,160.04 and 3,224.40 is: 4,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.15 : 8,160.04 = 3,224.40 : x
  2. Step 2: Convert to fraction form
    5,913.15/8,160.04 = 3,224.40/x
  3. Step 3: Cross multiply
    5,913.15x = 8,160.04 × 3,224.40
  4. Step 4: Simplify right side
    5,913.15x = 26,311,232.98
  5. Step 5: Solve for x
    x = 26,311,232.98/5,913.15
  6. Step 6: Final answer
    x = 4,449.61

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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.