Home / 2,837.75-3,915.50-1,658.59

Finding the Fourth Proportional to 2,837.75, 3,915.50 and 1,658.59

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Solution

The fourth proportional to 2,837.75, 3,915.50 and 1,658.59 is: 2,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.75 : 3,915.50 = 1,658.59 : x
  2. Step 2: Convert to fraction form
    2,837.75/3,915.50 = 1,658.59/x
  3. Step 3: Cross multiply
    2,837.75x = 3,915.50 × 1,658.59
  4. Step 4: Simplify right side
    2,837.75x = 6,494,213.29
  5. Step 5: Solve for x
    x = 6,494,213.29/2,837.75
  6. Step 6: Final answer
    x = 2,288.51

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1.5x scale

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.