Home / 5,817.42-8,028.72-3,427.92

Finding the Fourth Proportional to 5,817.42, 8,028.72 and 3,427.92

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Solution

The fourth proportional to 5,817.42, 8,028.72 and 3,427.92 is: 4,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.42 : 8,028.72 = 3,427.92 : x
  2. Step 2: Convert to fraction form
    5,817.42/8,028.72 = 3,427.92/x
  3. Step 3: Cross multiply
    5,817.42x = 8,028.72 × 3,427.92
  4. Step 4: Simplify right side
    5,817.42x = 27,521,809.86
  5. Step 5: Solve for x
    x = 27,521,809.86/5,817.42
  6. Step 6: Final answer
    x = 4,730.93

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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.