Home / 2,915.69-4,022.45-2,032

Finding the Fourth Proportional to 2,915.69, 4,022.45 and 2,032

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Solution

The fourth proportional to 2,915.69, 4,022.45 and 2,032 is: 2,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.69 : 4,022.45 = 2,032 : x
  2. Step 2: Convert to fraction form
    2,915.69/4,022.45 = 2,032/x
  3. Step 3: Cross multiply
    2,915.69x = 4,022.45 × 2,032
  4. Step 4: Simplify right side
    2,915.69x = 8,173,618.40
  5. Step 5: Solve for x
    x = 8,173,618.40/2,915.69
  6. Step 6: Final answer
    x = 2,803.32

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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.