Home / 5,404.32-8,107.70-4,426.25

Finding the Fourth Proportional to 5,404.32, 8,107.70 and 4,426.25

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Solution

The fourth proportional to 5,404.32, 8,107.70 and 4,426.25 is: 6,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.32 : 8,107.70 = 4,426.25 : x
  2. Step 2: Convert to fraction form
    5,404.32/8,107.70 = 4,426.25/x
  3. Step 3: Cross multiply
    5,404.32x = 8,107.70 × 4,426.25
  4. Step 4: Simplify right side
    5,404.32x = 35,886,644.46
  5. Step 5: Solve for x
    x = 35,886,644.46/5,404.32
  6. Step 6: Final answer
    x = 6,640.36

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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.