Home / 2,349.94-3,527.07-1,118.20

Finding the Fourth Proportional to 2,349.94, 3,527.07 and 1,118.20

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Solution

The fourth proportional to 2,349.94, 3,527.07 and 1,118.20 is: 1,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.94 : 3,527.07 = 1,118.20 : x
  2. Step 2: Convert to fraction form
    2,349.94/3,527.07 = 1,118.20/x
  3. Step 3: Cross multiply
    2,349.94x = 3,527.07 × 1,118.20
  4. Step 4: Simplify right side
    2,349.94x = 3,943,969.67
  5. Step 5: Solve for x
    x = 3,943,969.67/2,349.94
  6. Step 6: Final answer
    x = 1,678.33

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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.