Home / 7,361.09-10,155.73-4,173.92

Finding the Fourth Proportional to 7,361.09, 10,155.73 and 4,173.92

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Solution

The fourth proportional to 7,361.09, 10,155.73 and 4,173.92 is: 5,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.09 : 10,155.73 = 4,173.92 : x
  2. Step 2: Convert to fraction form
    7,361.09/10,155.73 = 4,173.92/x
  3. Step 3: Cross multiply
    7,361.09x = 10,155.73 × 4,173.92
  4. Step 4: Simplify right side
    7,361.09x = 42,389,204.56
  5. Step 5: Solve for x
    x = 42,389,204.56/7,361.09
  6. Step 6: Final answer
    x = 5,758.55

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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.