Home / 5,473.55-7,551.60-3,320.78

Finding the Fourth Proportional to 5,473.55, 7,551.60 and 3,320.78

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Solution

The fourth proportional to 5,473.55, 7,551.60 and 3,320.78 is: 4,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.55 : 7,551.60 = 3,320.78 : x
  2. Step 2: Convert to fraction form
    5,473.55/7,551.60 = 3,320.78/x
  3. Step 3: Cross multiply
    5,473.55x = 7,551.60 × 3,320.78
  4. Step 4: Simplify right side
    5,473.55x = 25,077,202.25
  5. Step 5: Solve for x
    x = 25,077,202.25/5,473.55
  6. Step 6: Final answer
    x = 4,581.52

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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.