Home / 5,259.24-7,249.36-5,155.56

Finding the Fourth Proportional to 5,259.24, 7,249.36 and 5,155.56

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Solution

The fourth proportional to 5,259.24, 7,249.36 and 5,155.56 is: 7,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.24 : 7,249.36 = 5,155.56 : x
  2. Step 2: Convert to fraction form
    5,259.24/7,249.36 = 5,155.56/x
  3. Step 3: Cross multiply
    5,259.24x = 7,249.36 × 5,155.56
  4. Step 4: Simplify right side
    5,259.24x = 37,374,510.44
  5. Step 5: Solve for x
    x = 37,374,510.44/5,259.24
  6. Step 6: Final answer
    x = 7,106.45

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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.