Home / 5,628.48-7,760.96-4,578.56

Finding the Fourth Proportional to 5,628.48, 7,760.96 and 4,578.56

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Solution

The fourth proportional to 5,628.48, 7,760.96 and 4,578.56 is: 6,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.48 : 7,760.96 = 4,578.56 : x
  2. Step 2: Convert to fraction form
    5,628.48/7,760.96 = 4,578.56/x
  3. Step 3: Cross multiply
    5,628.48x = 7,760.96 × 4,578.56
  4. Step 4: Simplify right side
    5,628.48x = 35,534,021.02
  5. Step 5: Solve for x
    x = 35,534,021.02/5,628.48
  6. Step 6: Final answer
    x = 6,313.25

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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.