Home / 7,645.68-10,550.42-4,288.04

Finding the Fourth Proportional to 7,645.68, 10,550.42 and 4,288.04

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Solution

The fourth proportional to 7,645.68, 10,550.42 and 4,288.04 is: 5,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.68 : 10,550.42 = 4,288.04 : x
  2. Step 2: Convert to fraction form
    7,645.68/10,550.42 = 4,288.04/x
  3. Step 3: Cross multiply
    7,645.68x = 10,550.42 × 4,288.04
  4. Step 4: Simplify right side
    7,645.68x = 45,240,548.78
  5. Step 5: Solve for x
    x = 45,240,548.78/7,645.68
  6. Step 6: Final answer
    x = 5,917.14

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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.