Home / 3,307.31-4,564.37-1,815.53

Finding the Fourth Proportional to 3,307.31, 4,564.37 and 1,815.53

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Solution

The fourth proportional to 3,307.31, 4,564.37 and 1,815.53 is: 2,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.31 : 4,564.37 = 1,815.53 : x
  2. Step 2: Convert to fraction form
    3,307.31/4,564.37 = 1,815.53/x
  3. Step 3: Cross multiply
    3,307.31x = 4,564.37 × 1,815.53
  4. Step 4: Simplify right side
    3,307.31x = 8,286,732.38
  5. Step 5: Solve for x
    x = 8,286,732.38/3,307.31
  6. Step 6: Final answer
    x = 2,505.58

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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.