Home / 4,281.75-5,909.30-2,418.87

Finding the Fourth Proportional to 4,281.75, 5,909.30 and 2,418.87

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Solution

The fourth proportional to 4,281.75, 5,909.30 and 2,418.87 is: 3,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.75 : 5,909.30 = 2,418.87 : x
  2. Step 2: Convert to fraction form
    4,281.75/5,909.30 = 2,418.87/x
  3. Step 3: Cross multiply
    4,281.75x = 5,909.30 × 2,418.87
  4. Step 4: Simplify right side
    4,281.75x = 14,293,816.40
  5. Step 5: Solve for x
    x = 14,293,816.40/4,281.75
  6. Step 6: Final answer
    x = 3,338.31

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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.