Home / 7,329.64-10,114.14-4,142.75

Finding the Fourth Proportional to 7,329.64, 10,114.14 and 4,142.75

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Solution

The fourth proportional to 7,329.64, 10,114.14 and 4,142.75 is: 5,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.64 : 10,114.14 = 4,142.75 : x
  2. Step 2: Convert to fraction form
    7,329.64/10,114.14 = 4,142.75/x
  3. Step 3: Cross multiply
    7,329.64x = 10,114.14 × 4,142.75
  4. Step 4: Simplify right side
    7,329.64x = 41,900,353.49
  5. Step 5: Solve for x
    x = 41,900,353.49/7,329.64
  6. Step 6: Final answer
    x = 5,716.57

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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.