Home / 3,455.76-5,182.56-1,263.99

Finding the Fourth Proportional to 3,455.76, 5,182.56 and 1,263.99

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Solution

The fourth proportional to 3,455.76, 5,182.56 and 1,263.99 is: 1,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.76 : 5,182.56 = 1,263.99 : x
  2. Step 2: Convert to fraction form
    3,455.76/5,182.56 = 1,263.99/x
  3. Step 3: Cross multiply
    3,455.76x = 5,182.56 × 1,263.99
  4. Step 4: Simplify right side
    3,455.76x = 6,550,704.01
  5. Step 5: Solve for x
    x = 6,550,704.01/3,455.76
  6. Step 6: Final answer
    x = 1,895.59

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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.