Home / 4,877.42-7,317.75-3,240.41

Finding the Fourth Proportional to 4,877.42, 7,317.75 and 3,240.41

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Solution

The fourth proportional to 4,877.42, 7,317.75 and 3,240.41 is: 4,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.42 : 7,317.75 = 3,240.41 : x
  2. Step 2: Convert to fraction form
    4,877.42/7,317.75 = 3,240.41/x
  3. Step 3: Cross multiply
    4,877.42x = 7,317.75 × 3,240.41
  4. Step 4: Simplify right side
    4,877.42x = 23,712,510.28
  5. Step 5: Solve for x
    x = 23,712,510.28/4,877.42
  6. Step 6: Final answer
    x = 4,861.69

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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.