Home / 4,079.55-5,628.54-2,286.84

Finding the Fourth Proportional to 4,079.55, 5,628.54 and 2,286.84

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Solution

The fourth proportional to 4,079.55, 5,628.54 and 2,286.84 is: 3,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.55 : 5,628.54 = 2,286.84 : x
  2. Step 2: Convert to fraction form
    4,079.55/5,628.54 = 2,286.84/x
  3. Step 3: Cross multiply
    4,079.55x = 5,628.54 × 2,286.84
  4. Step 4: Simplify right side
    4,079.55x = 12,871,570.41
  5. Step 5: Solve for x
    x = 12,871,570.41/4,079.55
  6. Step 6: Final answer
    x = 3,155.14

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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.