Home / 5,365.05-7,403.74-3,378.22

Finding the Fourth Proportional to 5,365.05, 7,403.74 and 3,378.22

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Solution

The fourth proportional to 5,365.05, 7,403.74 and 3,378.22 is: 4,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.05 : 7,403.74 = 3,378.22 : x
  2. Step 2: Convert to fraction form
    5,365.05/7,403.74 = 3,378.22/x
  3. Step 3: Cross multiply
    5,365.05x = 7,403.74 × 3,378.22
  4. Step 4: Simplify right side
    5,365.05x = 25,011,435.59
  5. Step 5: Solve for x
    x = 25,011,435.59/5,365.05
  6. Step 6: Final answer
    x = 4,661.92

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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.