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Finding the Fourth Proportional to 4,203.90, 5,803.88 and 3,736.80

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Solution

The fourth proportional to 4,203.90, 5,803.88 and 3,736.80 is: 5,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.90 : 5,803.88 = 3,736.80 : x
  2. Step 2: Convert to fraction form
    4,203.90/5,803.88 = 3,736.80/x
  3. Step 3: Cross multiply
    4,203.90x = 5,803.88 × 3,736.80
  4. Step 4: Simplify right side
    4,203.90x = 21,687,920.10
  5. Step 5: Solve for x
    x = 21,687,920.10/4,203.90
  6. Step 6: Final answer
    x = 5,159.00

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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.