Home / 7,361.28-10,158.38-4,004.04

Finding the Fourth Proportional to 7,361.28, 10,158.38 and 4,004.04

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Solution

The fourth proportional to 7,361.28, 10,158.38 and 4,004.04 is: 5,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 10,158.38 = 4,004.04 : x
  2. Step 2: Convert to fraction form
    7,361.28/10,158.38 = 4,004.04/x
  3. Step 3: Cross multiply
    7,361.28x = 10,158.38 × 4,004.04
  4. Step 4: Simplify right side
    7,361.28x = 40,674,559.86
  5. Step 5: Solve for x
    x = 40,674,559.86/7,361.28
  6. Step 6: Final answer
    x = 5,525.47

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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.