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Finding the Fourth Proportional to 3,903.36, 5,852.30 and 3,291.00

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Solution

The fourth proportional to 3,903.36, 5,852.30 and 3,291.00 is: 4,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.36 : 5,852.30 = 3,291.00 : x
  2. Step 2: Convert to fraction form
    3,903.36/5,852.30 = 3,291.00/x
  3. Step 3: Cross multiply
    3,903.36x = 5,852.30 × 3,291.00
  4. Step 4: Simplify right side
    3,903.36x = 19,259,880.90
  5. Step 5: Solve for x
    x = 19,259,880.90/3,903.36
  6. Step 6: Final answer
    x = 4,934.18

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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.