Home / 4,749.30-7,123.32-1,462.50

Finding the Fourth Proportional to 4,749.30, 7,123.32 and 1,462.50

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Solution

The fourth proportional to 4,749.30, 7,123.32 and 1,462.50 is: 2,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.30 : 7,123.32 = 1,462.50 : x
  2. Step 2: Convert to fraction form
    4,749.30/7,123.32 = 1,462.50/x
  3. Step 3: Cross multiply
    4,749.30x = 7,123.32 × 1,462.50
  4. Step 4: Simplify right side
    4,749.30x = 10,417,855.50
  5. Step 5: Solve for x
    x = 10,417,855.50/4,749.30
  6. Step 6: Final answer
    x = 2,193.56

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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.