Home / 4,938.50-6,815.14-3,076.58

Finding the Fourth Proportional to 4,938.50, 6,815.14 and 3,076.58

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Solution

The fourth proportional to 4,938.50, 6,815.14 and 3,076.58 is: 4,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.50 : 6,815.14 = 3,076.58 : x
  2. Step 2: Convert to fraction form
    4,938.50/6,815.14 = 3,076.58/x
  3. Step 3: Cross multiply
    4,938.50x = 6,815.14 × 3,076.58
  4. Step 4: Simplify right side
    4,938.50x = 20,967,323.42
  5. Step 5: Solve for x
    x = 20,967,323.42/4,938.50
  6. Step 6: Final answer
    x = 4,245.69

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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.