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Finding the Fourth Proportional to 3,934.02, 5,901.06 and 1,853.40

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Solution

The fourth proportional to 3,934.02, 5,901.06 and 1,853.40 is: 2,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.02 : 5,901.06 = 1,853.40 : x
  2. Step 2: Convert to fraction form
    3,934.02/5,901.06 = 1,853.40/x
  3. Step 3: Cross multiply
    3,934.02x = 5,901.06 × 1,853.40
  4. Step 4: Simplify right side
    3,934.02x = 10,937,024.60
  5. Step 5: Solve for x
    x = 10,937,024.60/3,934.02
  6. Step 6: Final answer
    x = 2,780.11

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1.5x scale

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.