Home / 7,330.26-10,115.22-4,142.58

Finding the Fourth Proportional to 7,330.26, 10,115.22 and 4,142.58

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Solution

The fourth proportional to 7,330.26, 10,115.22 and 4,142.58 is: 5,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.26 : 10,115.22 = 4,142.58 : x
  2. Step 2: Convert to fraction form
    7,330.26/10,115.22 = 4,142.58/x
  3. Step 3: Cross multiply
    7,330.26x = 10,115.22 × 4,142.58
  4. Step 4: Simplify right side
    7,330.26x = 41,903,108.07
  5. Step 5: Solve for x
    x = 41,903,108.07/7,330.26
  6. Step 6: Final answer
    x = 5,716.46

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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.