Home / 6,069.84-8,378.52-4,079.28

Finding the Fourth Proportional to 6,069.84, 8,378.52 and 4,079.28

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Solution

The fourth proportional to 6,069.84, 8,378.52 and 4,079.28 is: 5,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.84 : 8,378.52 = 4,079.28 : x
  2. Step 2: Convert to fraction form
    6,069.84/8,378.52 = 4,079.28/x
  3. Step 3: Cross multiply
    6,069.84x = 8,378.52 × 4,079.28
  4. Step 4: Simplify right side
    6,069.84x = 34,178,329.07
  5. Step 5: Solve for x
    x = 34,178,329.07/6,069.84
  6. Step 6: Final answer
    x = 5,630.85

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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.