Home / 5,288.93-7,934.96-1,591.75

Finding the Fourth Proportional to 5,288.93, 7,934.96 and 1,591.75

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Solution

The fourth proportional to 5,288.93, 7,934.96 and 1,591.75 is: 2,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.93 : 7,934.96 = 1,591.75 : x
  2. Step 2: Convert to fraction form
    5,288.93/7,934.96 = 1,591.75/x
  3. Step 3: Cross multiply
    5,288.93x = 7,934.96 × 1,591.75
  4. Step 4: Simplify right side
    5,288.93x = 12,630,486.48
  5. Step 5: Solve for x
    x = 12,630,486.48/5,288.93
  6. Step 6: Final answer
    x = 2,388.10

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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.