Home / 7,213.89-10,821.45-2,533.49

Finding the Fourth Proportional to 7,213.89, 10,821.45 and 2,533.49

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Solution

The fourth proportional to 7,213.89, 10,821.45 and 2,533.49 is: 3,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.89 : 10,821.45 = 2,533.49 : x
  2. Step 2: Convert to fraction form
    7,213.89/10,821.45 = 2,533.49/x
  3. Step 3: Cross multiply
    7,213.89x = 10,821.45 × 2,533.49
  4. Step 4: Simplify right side
    7,213.89x = 27,416,082.57
  5. Step 5: Solve for x
    x = 27,416,082.57/7,213.89
  6. Step 6: Final answer
    x = 3,800.46

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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.