Home / 5,089.53-7,631.52-1,578.58

Finding the Fourth Proportional to 5,089.53, 7,631.52 and 1,578.58

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Solution

The fourth proportional to 5,089.53, 7,631.52 and 1,578.58 is: 2,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.53 : 7,631.52 = 1,578.58 : x
  2. Step 2: Convert to fraction form
    5,089.53/7,631.52 = 1,578.58/x
  3. Step 3: Cross multiply
    5,089.53x = 7,631.52 × 1,578.58
  4. Step 4: Simplify right side
    5,089.53x = 12,046,964.84
  5. Step 5: Solve for x
    x = 12,046,964.84/5,089.53
  6. Step 6: Final answer
    x = 2,367.01

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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.