Home / 3,154.50-4,353.33-1,828.62

Finding the Fourth Proportional to 3,154.50, 4,353.33 and 1,828.62

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Solution

The fourth proportional to 3,154.50, 4,353.33 and 1,828.62 is: 2,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.50 : 4,353.33 = 1,828.62 : x
  2. Step 2: Convert to fraction form
    3,154.50/4,353.33 = 1,828.62/x
  3. Step 3: Cross multiply
    3,154.50x = 4,353.33 × 1,828.62
  4. Step 4: Simplify right side
    3,154.50x = 7,960,586.30
  5. Step 5: Solve for x
    x = 7,960,586.30/3,154.50
  6. Step 6: Final answer
    x = 2,523.57

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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.