Home / 3,345.14-4,616.11-1,909.77

Finding the Fourth Proportional to 3,345.14, 4,616.11 and 1,909.77

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Solution

The fourth proportional to 3,345.14, 4,616.11 and 1,909.77 is: 2,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.14 : 4,616.11 = 1,909.77 : x
  2. Step 2: Convert to fraction form
    3,345.14/4,616.11 = 1,909.77/x
  3. Step 3: Cross multiply
    3,345.14x = 4,616.11 × 1,909.77
  4. Step 4: Simplify right side
    3,345.14x = 8,815,703.62
  5. Step 5: Solve for x
    x = 8,815,703.62/3,345.14
  6. Step 6: Final answer
    x = 2,635.37

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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.