Home / 7,057.60-9,739.36-4,073.56

Finding the Fourth Proportional to 7,057.60, 9,739.36 and 4,073.56

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Solution

The fourth proportional to 7,057.60, 9,739.36 and 4,073.56 is: 5,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.60 : 9,739.36 = 4,073.56 : x
  2. Step 2: Convert to fraction form
    7,057.60/9,739.36 = 4,073.56/x
  3. Step 3: Cross multiply
    7,057.60x = 9,739.36 × 4,073.56
  4. Step 4: Simplify right side
    7,057.60x = 39,673,867.32
  5. Step 5: Solve for x
    x = 39,673,867.32/7,057.60
  6. Step 6: Final answer
    x = 5,621.44

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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.