Home / 5,076.14-7,004.80-2,838.12

Finding the Fourth Proportional to 5,076.14, 7,004.80 and 2,838.12

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Solution

The fourth proportional to 5,076.14, 7,004.80 and 2,838.12 is: 3,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.14 : 7,004.80 = 2,838.12 : x
  2. Step 2: Convert to fraction form
    5,076.14/7,004.80 = 2,838.12/x
  3. Step 3: Cross multiply
    5,076.14x = 7,004.80 × 2,838.12
  4. Step 4: Simplify right side
    5,076.14x = 19,880,462.98
  5. Step 5: Solve for x
    x = 19,880,462.98/5,076.14
  6. Step 6: Final answer
    x = 3,916.45

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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.