Home / 2,684.42-3,704.38-1,505.60

Finding the Fourth Proportional to 2,684.42, 3,704.38 and 1,505.60

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Solution

The fourth proportional to 2,684.42, 3,704.38 and 1,505.60 is: 2,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.42 : 3,704.38 = 1,505.60 : x
  2. Step 2: Convert to fraction form
    2,684.42/3,704.38 = 1,505.60/x
  3. Step 3: Cross multiply
    2,684.42x = 3,704.38 × 1,505.60
  4. Step 4: Simplify right side
    2,684.42x = 5,577,314.53
  5. Step 5: Solve for x
    x = 5,577,314.53/2,684.42
  6. Step 6: Final answer
    x = 2,077.66

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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.