Home / 6,179.78-8,528.70-3,527.58

Finding the Fourth Proportional to 6,179.78, 8,528.70 and 3,527.58

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Solution

The fourth proportional to 6,179.78, 8,528.70 and 3,527.58 is: 4,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.78 : 8,528.70 = 3,527.58 : x
  2. Step 2: Convert to fraction form
    6,179.78/8,528.70 = 3,527.58/x
  3. Step 3: Cross multiply
    6,179.78x = 8,528.70 × 3,527.58
  4. Step 4: Simplify right side
    6,179.78x = 30,085,671.55
  5. Step 5: Solve for x
    x = 30,085,671.55/6,179.78
  6. Step 6: Final answer
    x = 4,868.41

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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.