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Finding the Fourth Proportional to 3,703.01, 5,106.21 and 2,915.69

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Solution

The fourth proportional to 3,703.01, 5,106.21 and 2,915.69 is: 4,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.01 : 5,106.21 = 2,915.69 : x
  2. Step 2: Convert to fraction form
    3,703.01/5,106.21 = 2,915.69/x
  3. Step 3: Cross multiply
    3,703.01x = 5,106.21 × 2,915.69
  4. Step 4: Simplify right side
    3,703.01x = 14,888,125.43
  5. Step 5: Solve for x
    x = 14,888,125.43/3,703.01
  6. Step 6: Final answer
    x = 4,020.55

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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.