Home / 4,916.85-7,374.60-1,629.60

Finding the Fourth Proportional to 4,916.85, 7,374.60 and 1,629.60

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Solution

The fourth proportional to 4,916.85, 7,374.60 and 1,629.60 is: 2,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.85 : 7,374.60 = 1,629.60 : x
  2. Step 2: Convert to fraction form
    4,916.85/7,374.60 = 1,629.60/x
  3. Step 3: Cross multiply
    4,916.85x = 7,374.60 × 1,629.60
  4. Step 4: Simplify right side
    4,916.85x = 12,017,648.16
  5. Step 5: Solve for x
    x = 12,017,648.16/4,916.85
  6. Step 6: Final answer
    x = 2,444.18

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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.