Home / 2,539.19-3,808.32-1,152.19

Finding the Fourth Proportional to 2,539.19, 3,808.32 and 1,152.19

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Solution

The fourth proportional to 2,539.19, 3,808.32 and 1,152.19 is: 1,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.19 : 3,808.32 = 1,152.19 : x
  2. Step 2: Convert to fraction form
    2,539.19/3,808.32 = 1,152.19/x
  3. Step 3: Cross multiply
    2,539.19x = 3,808.32 × 1,152.19
  4. Step 4: Simplify right side
    2,539.19x = 4,387,908.22
  5. Step 5: Solve for x
    x = 4,387,908.22/2,539.19
  6. Step 6: Final answer
    x = 1,728.07

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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.