Home / 5,365.28-7,403.52-3,007.68

Finding the Fourth Proportional to 5,365.28, 7,403.52 and 3,007.68

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Solution

The fourth proportional to 5,365.28, 7,403.52 and 3,007.68 is: 4,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.28 : 7,403.52 = 3,007.68 : x
  2. Step 2: Convert to fraction form
    5,365.28/7,403.52 = 3,007.68/x
  3. Step 3: Cross multiply
    5,365.28x = 7,403.52 × 3,007.68
  4. Step 4: Simplify right side
    5,365.28x = 22,267,419.03
  5. Step 5: Solve for x
    x = 22,267,419.03/5,365.28
  6. Step 6: Final answer
    x = 4,150.28

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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.