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Finding the Fourth Proportional to 3,393.95, 5,087.00 and 1,313.01

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Solution

The fourth proportional to 3,393.95, 5,087.00 and 1,313.01 is: 1,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.95 : 5,087.00 = 1,313.01 : x
  2. Step 2: Convert to fraction form
    3,393.95/5,087.00 = 1,313.01/x
  3. Step 3: Cross multiply
    3,393.95x = 5,087.00 × 1,313.01
  4. Step 4: Simplify right side
    3,393.95x = 6,679,285.15
  5. Step 5: Solve for x
    x = 6,679,285.15/3,393.95
  6. Step 6: Final answer
    x = 1,968.00

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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.