Home / 5,635.10-8,451.66-1,686.26

Finding the Fourth Proportional to 5,635.10, 8,451.66 and 1,686.26

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Solution

The fourth proportional to 5,635.10, 8,451.66 and 1,686.26 is: 2,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.10 : 8,451.66 = 1,686.26 : x
  2. Step 2: Convert to fraction form
    5,635.10/8,451.66 = 1,686.26/x
  3. Step 3: Cross multiply
    5,635.10x = 8,451.66 × 1,686.26
  4. Step 4: Simplify right side
    5,635.10x = 14,251,653.93
  5. Step 5: Solve for x
    x = 14,251,653.93/5,635.10
  6. Step 6: Final answer
    x = 2,529.09

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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.