Home / 5,665.81-8,500.25-1,716.91

Finding the Fourth Proportional to 5,665.81, 8,500.25 and 1,716.91

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Solution

The fourth proportional to 5,665.81, 8,500.25 and 1,716.91 is: 2,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.81 : 8,500.25 = 1,716.91 : x
  2. Step 2: Convert to fraction form
    5,665.81/8,500.25 = 1,716.91/x
  3. Step 3: Cross multiply
    5,665.81x = 8,500.25 × 1,716.91
  4. Step 4: Simplify right side
    5,665.81x = 14,594,161.64
  5. Step 5: Solve for x
    x = 14,594,161.64/5,665.81
  6. Step 6: Final answer
    x = 2,575.83

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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.