Home / 2,915.35-4,013.90-2,716.63

Finding the Fourth Proportional to 2,915.35, 4,013.90 and 2,716.63

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Solution

The fourth proportional to 2,915.35, 4,013.90 and 2,716.63 is: 3,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.35 : 4,013.90 = 2,716.63 : x
  2. Step 2: Convert to fraction form
    2,915.35/4,013.90 = 2,716.63/x
  3. Step 3: Cross multiply
    2,915.35x = 4,013.90 × 2,716.63
  4. Step 4: Simplify right side
    2,915.35x = 10,904,267.57
  5. Step 5: Solve for x
    x = 10,904,267.57/2,915.35
  6. Step 6: Final answer
    x = 3,740.29

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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.