Home / 2,208.56-3,313.08-1,054.64

Finding the Fourth Proportional to 2,208.56, 3,313.08 and 1,054.64

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Solution

The fourth proportional to 2,208.56, 3,313.08 and 1,054.64 is: 1,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.56 : 3,313.08 = 1,054.64 : x
  2. Step 2: Convert to fraction form
    2,208.56/3,313.08 = 1,054.64/x
  3. Step 3: Cross multiply
    2,208.56x = 3,313.08 × 1,054.64
  4. Step 4: Simplify right side
    2,208.56x = 3,494,106.69
  5. Step 5: Solve for x
    x = 3,494,106.69/2,208.56
  6. Step 6: Final answer
    x = 1,582.07

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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.