Home / 3,915.24-5,402.46-2,343

Finding the Fourth Proportional to 3,915.24, 5,402.46 and 2,343

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Solution

The fourth proportional to 3,915.24, 5,402.46 and 2,343 is: 3,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.24 : 5,402.46 = 2,343 : x
  2. Step 2: Convert to fraction form
    3,915.24/5,402.46 = 2,343/x
  3. Step 3: Cross multiply
    3,915.24x = 5,402.46 × 2,343
  4. Step 4: Simplify right side
    3,915.24x = 12,657,963.78
  5. Step 5: Solve for x
    x = 12,657,963.78/3,915.24
  6. Step 6: Final answer
    x = 3,233.00

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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.