Home / 4,718.42-7,077.99-1,255.58

Finding the Fourth Proportional to 4,718.42, 7,077.99 and 1,255.58

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Solution

The fourth proportional to 4,718.42, 7,077.99 and 1,255.58 is: 1,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.42 : 7,077.99 = 1,255.58 : x
  2. Step 2: Convert to fraction form
    4,718.42/7,077.99 = 1,255.58/x
  3. Step 3: Cross multiply
    4,718.42x = 7,077.99 × 1,255.58
  4. Step 4: Simplify right side
    4,718.42x = 8,886,982.68
  5. Step 5: Solve for x
    x = 8,886,982.68/4,718.42
  6. Step 6: Final answer
    x = 1,883.47

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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.