Home / 4,838.60-7,254.66-1,916.12

Finding the Fourth Proportional to 4,838.60, 7,254.66 and 1,916.12

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Solution

The fourth proportional to 4,838.60, 7,254.66 and 1,916.12 is: 2,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.60 : 7,254.66 = 1,916.12 : x
  2. Step 2: Convert to fraction form
    4,838.60/7,254.66 = 1,916.12/x
  3. Step 3: Cross multiply
    4,838.60x = 7,254.66 × 1,916.12
  4. Step 4: Simplify right side
    4,838.60x = 13,900,799.12
  5. Step 5: Solve for x
    x = 13,900,799.12/4,838.60
  6. Step 6: Final answer
    x = 2,872.90

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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.