Home / 2,915.16-4,022.87-1,588.83

Finding the Fourth Proportional to 2,915.16, 4,022.87 and 1,588.83

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Solution

The fourth proportional to 2,915.16, 4,022.87 and 1,588.83 is: 2,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.16 : 4,022.87 = 1,588.83 : x
  2. Step 2: Convert to fraction form
    2,915.16/4,022.87 = 1,588.83/x
  3. Step 3: Cross multiply
    2,915.16x = 4,022.87 × 1,588.83
  4. Step 4: Simplify right side
    2,915.16x = 6,391,656.54
  5. Step 5: Solve for x
    x = 6,391,656.54/2,915.16
  6. Step 6: Final answer
    x = 2,192.56

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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.