Home / 3,934.35-5,423.52-2,605.74

Finding the Fourth Proportional to 3,934.35, 5,423.52 and 2,605.74

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Solution

The fourth proportional to 3,934.35, 5,423.52 and 2,605.74 is: 3,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.35 : 5,423.52 = 2,605.74 : x
  2. Step 2: Convert to fraction form
    3,934.35/5,423.52 = 2,605.74/x
  3. Step 3: Cross multiply
    3,934.35x = 5,423.52 × 2,605.74
  4. Step 4: Simplify right side
    3,934.35x = 14,132,283.00
  5. Step 5: Solve for x
    x = 14,132,283.00/3,934.35
  6. Step 6: Final answer
    x = 3,592.02

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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.