Home / 2,916.20-4,366.20-2,835.20

Finding the Fourth Proportional to 2,916.20, 4,366.20 and 2,835.20

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Solution

The fourth proportional to 2,916.20, 4,366.20 and 2,835.20 is: 4,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.20 : 4,366.20 = 2,835.20 : x
  2. Step 2: Convert to fraction form
    2,916.20/4,366.20 = 2,835.20/x
  3. Step 3: Cross multiply
    2,916.20x = 4,366.20 × 2,835.20
  4. Step 4: Simplify right side
    2,916.20x = 12,379,050.24
  5. Step 5: Solve for x
    x = 12,379,050.24/2,916.20
  6. Step 6: Final answer
    x = 4,244.92

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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.