Home / 5,089.91-7,022.16-3,099.74

Finding the Fourth Proportional to 5,089.91, 7,022.16 and 3,099.74

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Solution

The fourth proportional to 5,089.91, 7,022.16 and 3,099.74 is: 4,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.91 : 7,022.16 = 3,099.74 : x
  2. Step 2: Convert to fraction form
    5,089.91/7,022.16 = 3,099.74/x
  3. Step 3: Cross multiply
    5,089.91x = 7,022.16 × 3,099.74
  4. Step 4: Simplify right side
    5,089.91x = 21,766,835.13
  5. Step 5: Solve for x
    x = 21,766,835.13/5,089.91
  6. Step 6: Final answer
    x = 4,276.47

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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.