Home / 3,445.11-4,753.76-1,953.09

Finding the Fourth Proportional to 3,445.11, 4,753.76 and 1,953.09

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Solution

The fourth proportional to 3,445.11, 4,753.76 and 1,953.09 is: 2,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.11 : 4,753.76 = 1,953.09 : x
  2. Step 2: Convert to fraction form
    3,445.11/4,753.76 = 1,953.09/x
  3. Step 3: Cross multiply
    3,445.11x = 4,753.76 × 1,953.09
  4. Step 4: Simplify right side
    3,445.11x = 9,284,511.35
  5. Step 5: Solve for x
    x = 9,284,511.35/3,445.11
  6. Step 6: Final answer
    x = 2,694.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.