Home / 3,299.43-4,556.25-2,122.50

Finding the Fourth Proportional to 3,299.43, 4,556.25 and 2,122.50

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Solution

The fourth proportional to 3,299.43, 4,556.25 and 2,122.50 is: 2,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.43 : 4,556.25 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    3,299.43/4,556.25 = 2,122.50/x
  3. Step 3: Cross multiply
    3,299.43x = 4,556.25 × 2,122.50
  4. Step 4: Simplify right side
    3,299.43x = 9,670,657.71
  5. Step 5: Solve for x
    x = 9,670,657.71/3,299.43
  6. Step 6: Final answer
    x = 2,931.01

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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.