Home / 4,720.54-7,080.60-1,600.42

Finding the Fourth Proportional to 4,720.54, 7,080.60 and 1,600.42

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Solution

The fourth proportional to 4,720.54, 7,080.60 and 1,600.42 is: 2,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.54 : 7,080.60 = 1,600.42 : x
  2. Step 2: Convert to fraction form
    4,720.54/7,080.60 = 1,600.42/x
  3. Step 3: Cross multiply
    4,720.54x = 7,080.60 × 1,600.42
  4. Step 4: Simplify right side
    4,720.54x = 11,331,933.85
  5. Step 5: Solve for x
    x = 11,331,933.85/4,720.54
  6. Step 6: Final answer
    x = 2,400.56

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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.