Home / 5,076.12-7,004.90-2,838.02

Finding the Fourth Proportional to 5,076.12, 7,004.90 and 2,838.02

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Solution

The fourth proportional to 5,076.12, 7,004.90 and 2,838.02 is: 3,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.12 : 7,004.90 = 2,838.02 : x
  2. Step 2: Convert to fraction form
    5,076.12/7,004.90 = 2,838.02/x
  3. Step 3: Cross multiply
    5,076.12x = 7,004.90 × 2,838.02
  4. Step 4: Simplify right side
    5,076.12x = 19,880,046.30
  5. Step 5: Solve for x
    x = 19,880,046.30/5,076.12
  6. Step 6: Final answer
    x = 3,916.39

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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.