Home / 5,373.68-7,415.66-3,015.81

Finding the Fourth Proportional to 5,373.68, 7,415.66 and 3,015.81

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Solution

The fourth proportional to 5,373.68, 7,415.66 and 3,015.81 is: 4,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.68 : 7,415.66 = 3,015.81 : x
  2. Step 2: Convert to fraction form
    5,373.68/7,415.66 = 3,015.81/x
  3. Step 3: Cross multiply
    5,373.68x = 7,415.66 × 3,015.81
  4. Step 4: Simplify right side
    5,373.68x = 22,364,229.12
  5. Step 5: Solve for x
    x = 22,364,229.12/5,373.68
  6. Step 6: Final answer
    x = 4,161.81

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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.