Home / 5,193.53-7,787.77-2,419.55

Finding the Fourth Proportional to 5,193.53, 7,787.77 and 2,419.55

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Solution

The fourth proportional to 5,193.53, 7,787.77 and 2,419.55 is: 3,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.53 : 7,787.77 = 2,419.55 : x
  2. Step 2: Convert to fraction form
    5,193.53/7,787.77 = 2,419.55/x
  3. Step 3: Cross multiply
    5,193.53x = 7,787.77 × 2,419.55
  4. Step 4: Simplify right side
    5,193.53x = 18,842,853.92
  5. Step 5: Solve for x
    x = 18,842,853.92/5,193.53
  6. Step 6: Final answer
    x = 3,628.14

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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.