Home / 4,915.02-6,790.44-4,176.72

Finding the Fourth Proportional to 4,915.02, 6,790.44 and 4,176.72

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Solution

The fourth proportional to 4,915.02, 6,790.44 and 4,176.72 is: 5,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.02 : 6,790.44 = 4,176.72 : x
  2. Step 2: Convert to fraction form
    4,915.02/6,790.44 = 4,176.72/x
  3. Step 3: Cross multiply
    4,915.02x = 6,790.44 × 4,176.72
  4. Step 4: Simplify right side
    4,915.02x = 28,361,766.56
  5. Step 5: Solve for x
    x = 28,361,766.56/4,915.02
  6. Step 6: Final answer
    x = 5,770.43

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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.