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Finding the Fourth Proportional to 3,065.49, 4,230.48 and 1,739.16

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Solution

The fourth proportional to 3,065.49, 4,230.48 and 1,739.16 is: 2,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.49 : 4,230.48 = 1,739.16 : x
  2. Step 2: Convert to fraction form
    3,065.49/4,230.48 = 1,739.16/x
  3. Step 3: Cross multiply
    3,065.49x = 4,230.48 × 1,739.16
  4. Step 4: Simplify right side
    3,065.49x = 7,357,481.60
  5. Step 5: Solve for x
    x = 7,357,481.60/3,065.49
  6. Step 6: Final answer
    x = 2,400.10

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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.