Home / 7,299.18-10,072.35-5,731.02

Finding the Fourth Proportional to 7,299.18, 10,072.35 and 5,731.02

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Solution

The fourth proportional to 7,299.18, 10,072.35 and 5,731.02 is: 7,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.18 : 10,072.35 = 5,731.02 : x
  2. Step 2: Convert to fraction form
    7,299.18/10,072.35 = 5,731.02/x
  3. Step 3: Cross multiply
    7,299.18x = 10,072.35 × 5,731.02
  4. Step 4: Simplify right side
    7,299.18x = 57,724,839.30
  5. Step 5: Solve for x
    x = 57,724,839.30/7,299.18
  6. Step 6: Final answer
    x = 7,908.40

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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.