Home / 4,123.20-6,184.80-4,097.60

Finding the Fourth Proportional to 4,123.20, 6,184.80 and 4,097.60

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Solution

The fourth proportional to 4,123.20, 6,184.80 and 4,097.60 is: 6,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.20 : 6,184.80 = 4,097.60 : x
  2. Step 2: Convert to fraction form
    4,123.20/6,184.80 = 4,097.60/x
  3. Step 3: Cross multiply
    4,123.20x = 6,184.80 × 4,097.60
  4. Step 4: Simplify right side
    4,123.20x = 25,342,836.48
  5. Step 5: Solve for x
    x = 25,342,836.48/4,123.20
  6. Step 6: Final answer
    x = 6,146.40

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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.