Home / 2,915.24-4,374.30-2,136.02

Finding the Fourth Proportional to 2,915.24, 4,374.30 and 2,136.02

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Solution

The fourth proportional to 2,915.24, 4,374.30 and 2,136.02 is: 3,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.24 : 4,374.30 = 2,136.02 : x
  2. Step 2: Convert to fraction form
    2,915.24/4,374.30 = 2,136.02/x
  3. Step 3: Cross multiply
    2,915.24x = 4,374.30 × 2,136.02
  4. Step 4: Simplify right side
    2,915.24x = 9,343,592.29
  5. Step 5: Solve for x
    x = 9,343,592.29/2,915.24
  6. Step 6: Final answer
    x = 3,205.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.