Home / 5,373.44-7,415.36-3,015.36

Finding the Fourth Proportional to 5,373.44, 7,415.36 and 3,015.36

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Solution

The fourth proportional to 5,373.44, 7,415.36 and 3,015.36 is: 4,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.44 : 7,415.36 = 3,015.36 : x
  2. Step 2: Convert to fraction form
    5,373.44/7,415.36 = 3,015.36/x
  3. Step 3: Cross multiply
    5,373.44x = 7,415.36 × 3,015.36
  4. Step 4: Simplify right side
    5,373.44x = 22,359,979.93
  5. Step 5: Solve for x
    x = 22,359,979.93/5,373.44
  6. Step 6: Final answer
    x = 4,161.20

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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.