Home / 3,558.04-4,904.22-2,378.68

Finding the Fourth Proportional to 3,558.04, 4,904.22 and 2,378.68

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Solution

The fourth proportional to 3,558.04, 4,904.22 and 2,378.68 is: 3,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.04 : 4,904.22 = 2,378.68 : x
  2. Step 2: Convert to fraction form
    3,558.04/4,904.22 = 2,378.68/x
  3. Step 3: Cross multiply
    3,558.04x = 4,904.22 × 2,378.68
  4. Step 4: Simplify right side
    3,558.04x = 11,665,570.03
  5. Step 5: Solve for x
    x = 11,665,570.03/3,558.04
  6. Step 6: Final answer
    x = 3,278.65

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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.