Home / 4,762.05-7,138.76-1,842.54

Finding the Fourth Proportional to 4,762.05, 7,138.76 and 1,842.54

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Solution

The fourth proportional to 4,762.05, 7,138.76 and 1,842.54 is: 2,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.05 : 7,138.76 = 1,842.54 : x
  2. Step 2: Convert to fraction form
    4,762.05/7,138.76 = 1,842.54/x
  3. Step 3: Cross multiply
    4,762.05x = 7,138.76 × 1,842.54
  4. Step 4: Simplify right side
    4,762.05x = 13,153,441.64
  5. Step 5: Solve for x
    x = 13,153,441.64/4,762.05
  6. Step 6: Final answer
    x = 2,762.14

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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.