Home / 5,404.64-8,105.79-1,707.17

Finding the Fourth Proportional to 5,404.64, 8,105.79 and 1,707.17

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Solution

The fourth proportional to 5,404.64, 8,105.79 and 1,707.17 is: 2,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.64 : 8,105.79 = 1,707.17 : x
  2. Step 2: Convert to fraction form
    5,404.64/8,105.79 = 1,707.17/x
  3. Step 3: Cross multiply
    5,404.64x = 8,105.79 × 1,707.17
  4. Step 4: Simplify right side
    5,404.64x = 13,837,920.99
  5. Step 5: Solve for x
    x = 13,837,920.99/5,404.64
  6. Step 6: Final answer
    x = 2,560.38

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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.