Home / 2,909.74-4,365.58-1,329.03

Finding the Fourth Proportional to 2,909.74, 4,365.58 and 1,329.03

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Solution

The fourth proportional to 2,909.74, 4,365.58 and 1,329.03 is: 1,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.74 : 4,365.58 = 1,329.03 : x
  2. Step 2: Convert to fraction form
    2,909.74/4,365.58 = 1,329.03/x
  3. Step 3: Cross multiply
    2,909.74x = 4,365.58 × 1,329.03
  4. Step 4: Simplify right side
    2,909.74x = 5,801,986.79
  5. Step 5: Solve for x
    x = 5,801,986.79/2,909.74
  6. Step 6: Final answer
    x = 1,993.99

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1.5x scale

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.