Home / 5,231.76-7,846.72-1,533.90

Finding the Fourth Proportional to 5,231.76, 7,846.72 and 1,533.90

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Solution

The fourth proportional to 5,231.76, 7,846.72 and 1,533.90 is: 2,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.76 : 7,846.72 = 1,533.90 : x
  2. Step 2: Convert to fraction form
    5,231.76/7,846.72 = 1,533.90/x
  3. Step 3: Cross multiply
    5,231.76x = 7,846.72 × 1,533.90
  4. Step 4: Simplify right side
    5,231.76x = 12,036,083.81
  5. Step 5: Solve for x
    x = 12,036,083.81/5,231.76
  6. Step 6: Final answer
    x = 2,300.58

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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.