Home / 7,043.64-9,716.50-5,715.02

Finding the Fourth Proportional to 7,043.64, 9,716.50 and 5,715.02

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Solution

The fourth proportional to 7,043.64, 9,716.50 and 5,715.02 is: 7,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.64 : 9,716.50 = 5,715.02 : x
  2. Step 2: Convert to fraction form
    7,043.64/9,716.50 = 5,715.02/x
  3. Step 3: Cross multiply
    7,043.64x = 9,716.50 × 5,715.02
  4. Step 4: Simplify right side
    7,043.64x = 55,529,991.83
  5. Step 5: Solve for x
    x = 55,529,991.83/7,043.64
  6. Step 6: Final answer
    x = 7,883.71

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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.