Home / 7,028.70-9,699.53-3,884.82

Finding the Fourth Proportional to 7,028.70, 9,699.53 and 3,884.82

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Solution

The fourth proportional to 7,028.70, 9,699.53 and 3,884.82 is: 5,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.70 : 9,699.53 = 3,884.82 : x
  2. Step 2: Convert to fraction form
    7,028.70/9,699.53 = 3,884.82/x
  3. Step 3: Cross multiply
    7,028.70x = 9,699.53 × 3,884.82
  4. Step 4: Simplify right side
    7,028.70x = 37,680,908.71
  5. Step 5: Solve for x
    x = 37,680,908.71/7,028.70
  6. Step 6: Final answer
    x = 5,361.01

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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.