Home / 7,391.26-10,199.68-4,405.56

Finding the Fourth Proportional to 7,391.26, 10,199.68 and 4,405.56

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Solution

The fourth proportional to 7,391.26, 10,199.68 and 4,405.56 is: 6,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.26 : 10,199.68 = 4,405.56 : x
  2. Step 2: Convert to fraction form
    7,391.26/10,199.68 = 4,405.56/x
  3. Step 3: Cross multiply
    7,391.26x = 10,199.68 × 4,405.56
  4. Step 4: Simplify right side
    7,391.26x = 44,935,302.22
  5. Step 5: Solve for x
    x = 44,935,302.22/7,391.26
  6. Step 6: Final answer
    x = 6,079.52

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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.