Home / 7,084.53-10,625.99-1,890.81

Finding the Fourth Proportional to 7,084.53, 10,625.99 and 1,890.81

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Solution

The fourth proportional to 7,084.53, 10,625.99 and 1,890.81 is: 2,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.53 : 10,625.99 = 1,890.81 : x
  2. Step 2: Convert to fraction form
    7,084.53/10,625.99 = 1,890.81/x
  3. Step 3: Cross multiply
    7,084.53x = 10,625.99 × 1,890.81
  4. Step 4: Simplify right side
    7,084.53x = 20,091,718.70
  5. Step 5: Solve for x
    x = 20,091,718.70/7,084.53
  6. Step 6: Final answer
    x = 2,836.00

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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.