Home / 2,939.53-4,056.55-1,613.24

Finding the Fourth Proportional to 2,939.53, 4,056.55 and 1,613.24

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Solution

The fourth proportional to 2,939.53, 4,056.55 and 1,613.24 is: 2,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.53 : 4,056.55 = 1,613.24 : x
  2. Step 2: Convert to fraction form
    2,939.53/4,056.55 = 1,613.24/x
  3. Step 3: Cross multiply
    2,939.53x = 4,056.55 × 1,613.24
  4. Step 4: Simplify right side
    2,939.53x = 6,544,160.37
  5. Step 5: Solve for x
    x = 6,544,160.37/2,939.53
  6. Step 6: Final answer
    x = 2,226.26

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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.