Home / 2,957.12-4,429.74-1,471.86

Finding the Fourth Proportional to 2,957.12, 4,429.74 and 1,471.86

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Solution

The fourth proportional to 2,957.12, 4,429.74 and 1,471.86 is: 2,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.12 : 4,429.74 = 1,471.86 : x
  2. Step 2: Convert to fraction form
    2,957.12/4,429.74 = 1,471.86/x
  3. Step 3: Cross multiply
    2,957.12x = 4,429.74 × 1,471.86
  4. Step 4: Simplify right side
    2,957.12x = 6,519,979.25
  5. Step 5: Solve for x
    x = 6,519,979.25/2,957.12
  6. Step 6: Final answer
    x = 2,204.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.