Home / 2,942.01-4,060.13-1,615.64

Finding the Fourth Proportional to 2,942.01, 4,060.13 and 1,615.64

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Solution

The fourth proportional to 2,942.01, 4,060.13 and 1,615.64 is: 2,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.01 : 4,060.13 = 1,615.64 : x
  2. Step 2: Convert to fraction form
    2,942.01/4,060.13 = 1,615.64/x
  3. Step 3: Cross multiply
    2,942.01x = 4,060.13 × 1,615.64
  4. Step 4: Simplify right side
    2,942.01x = 6,559,680.05
  5. Step 5: Solve for x
    x = 6,559,680.05/2,942.01
  6. Step 6: Final answer
    x = 2,229.66

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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.