Home / 5,486.11-7,571.90-4,157.48

Finding the Fourth Proportional to 5,486.11, 7,571.90 and 4,157.48

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Solution

The fourth proportional to 5,486.11, 7,571.90 and 4,157.48 is: 5,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.11 : 7,571.90 = 4,157.48 : x
  2. Step 2: Convert to fraction form
    5,486.11/7,571.90 = 4,157.48/x
  3. Step 3: Cross multiply
    5,486.11x = 7,571.90 × 4,157.48
  4. Step 4: Simplify right side
    5,486.11x = 31,480,022.81
  5. Step 5: Solve for x
    x = 31,480,022.81/5,486.11
  6. Step 6: Final answer
    x = 5,738.13

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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.