Home / 7,130.59-10,694.67-1,935.25

Finding the Fourth Proportional to 7,130.59, 10,694.67 and 1,935.25

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Solution

The fourth proportional to 7,130.59, 10,694.67 and 1,935.25 is: 2,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.59 : 10,694.67 = 1,935.25 : x
  2. Step 2: Convert to fraction form
    7,130.59/10,694.67 = 1,935.25/x
  3. Step 3: Cross multiply
    7,130.59x = 10,694.67 × 1,935.25
  4. Step 4: Simplify right side
    7,130.59x = 20,696,860.12
  5. Step 5: Solve for x
    x = 20,696,860.12/7,130.59
  6. Step 6: Final answer
    x = 2,902.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.