Home / 5,694.47-7,858.40-3,176.74

Finding the Fourth Proportional to 5,694.47, 7,858.40 and 3,176.74

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Solution

The fourth proportional to 5,694.47, 7,858.40 and 3,176.74 is: 4,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.47 : 7,858.40 = 3,176.74 : x
  2. Step 2: Convert to fraction form
    5,694.47/7,858.40 = 3,176.74/x
  3. Step 3: Cross multiply
    5,694.47x = 7,858.40 × 3,176.74
  4. Step 4: Simplify right side
    5,694.47x = 24,964,081.91
  5. Step 5: Solve for x
    x = 24,964,081.91/5,694.47
  6. Step 6: Final answer
    x = 4,383.92

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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.