Home / 3,425.48-4,727.16-1,853.58

Finding the Fourth Proportional to 3,425.48, 4,727.16 and 1,853.58

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Solution

The fourth proportional to 3,425.48, 4,727.16 and 1,853.58 is: 2,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.48 : 4,727.16 = 1,853.58 : x
  2. Step 2: Convert to fraction form
    3,425.48/4,727.16 = 1,853.58/x
  3. Step 3: Cross multiply
    3,425.48x = 4,727.16 × 1,853.58
  4. Step 4: Simplify right side
    3,425.48x = 8,762,169.23
  5. Step 5: Solve for x
    x = 8,762,169.23/3,425.48
  6. Step 6: Final answer
    x = 2,557.94

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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.