Home / 7,731.30-11,611.17-4,036.02

Finding the Fourth Proportional to 7,731.30, 11,611.17 and 4,036.02

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Solution

The fourth proportional to 7,731.30, 11,611.17 and 4,036.02 is: 6,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.30 : 11,611.17 = 4,036.02 : x
  2. Step 2: Convert to fraction form
    7,731.30/11,611.17 = 4,036.02/x
  3. Step 3: Cross multiply
    7,731.30x = 11,611.17 × 4,036.02
  4. Step 4: Simplify right side
    7,731.30x = 46,862,914.34
  5. Step 5: Solve for x
    x = 46,862,914.34/7,731.30
  6. Step 6: Final answer
    x = 6,061.45

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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.