Home / 3,425.59-4,727.31-1,853.69

Finding the Fourth Proportional to 3,425.59, 4,727.31 and 1,853.69

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Solution

The fourth proportional to 3,425.59, 4,727.31 and 1,853.69 is: 2,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.59 : 4,727.31 = 1,853.69 : x
  2. Step 2: Convert to fraction form
    3,425.59/4,727.31 = 1,853.69/x
  3. Step 3: Cross multiply
    3,425.59x = 4,727.31 × 1,853.69
  4. Step 4: Simplify right side
    3,425.59x = 8,762,967.27
  5. Step 5: Solve for x
    x = 8,762,967.27/3,425.59
  6. Step 6: Final answer
    x = 2,558.09

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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.