Home / 3,003.45-4,507.20-1,769.55

Finding the Fourth Proportional to 3,003.45, 4,507.20 and 1,769.55

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Solution

The fourth proportional to 3,003.45, 4,507.20 and 1,769.55 is: 2,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.45 : 4,507.20 = 1,769.55 : x
  2. Step 2: Convert to fraction form
    3,003.45/4,507.20 = 1,769.55/x
  3. Step 3: Cross multiply
    3,003.45x = 4,507.20 × 1,769.55
  4. Step 4: Simplify right side
    3,003.45x = 7,975,715.76
  5. Step 5: Solve for x
    x = 7,975,715.76/3,003.45
  6. Step 6: Final answer
    x = 2,655.52

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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.