Home / 7,730.45-11,588.83-3,725.81

Finding the Fourth Proportional to 7,730.45, 11,588.83 and 3,725.81

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Solution

The fourth proportional to 7,730.45, 11,588.83 and 3,725.81 is: 5,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.45 : 11,588.83 = 3,725.81 : x
  2. Step 2: Convert to fraction form
    7,730.45/11,588.83 = 3,725.81/x
  3. Step 3: Cross multiply
    7,730.45x = 11,588.83 × 3,725.81
  4. Step 4: Simplify right side
    7,730.45x = 43,177,702.13
  5. Step 5: Solve for x
    x = 43,177,702.13/7,730.45
  6. Step 6: Final answer
    x = 5,585.41

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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.