Home / 4,174.76-5,758.50-2,915.35

Finding the Fourth Proportional to 4,174.76, 5,758.50 and 2,915.35

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Solution

The fourth proportional to 4,174.76, 5,758.50 and 2,915.35 is: 4,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.76 : 5,758.50 = 2,915.35 : x
  2. Step 2: Convert to fraction form
    4,174.76/5,758.50 = 2,915.35/x
  3. Step 3: Cross multiply
    4,174.76x = 5,758.50 × 2,915.35
  4. Step 4: Simplify right side
    4,174.76x = 16,788,042.98
  5. Step 5: Solve for x
    x = 16,788,042.98/4,174.76
  6. Step 6: Final answer
    x = 4,021.32

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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.