Home / 5,619.92-8,429.58-1,724.33

Finding the Fourth Proportional to 5,619.92, 8,429.58 and 1,724.33

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Solution

The fourth proportional to 5,619.92, 8,429.58 and 1,724.33 is: 2,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.92 : 8,429.58 = 1,724.33 : x
  2. Step 2: Convert to fraction form
    5,619.92/8,429.58 = 1,724.33/x
  3. Step 3: Cross multiply
    5,619.92x = 8,429.58 × 1,724.33
  4. Step 4: Simplify right side
    5,619.92x = 14,535,398.76
  5. Step 5: Solve for x
    x = 14,535,398.76/5,619.92
  6. Step 6: Final answer
    x = 2,586.41

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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.