Home / 5,076.19-7,005.30-2,838.16

Finding the Fourth Proportional to 5,076.19, 7,005.30 and 2,838.16

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Solution

The fourth proportional to 5,076.19, 7,005.30 and 2,838.16 is: 3,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.19 : 7,005.30 = 2,838.16 : x
  2. Step 2: Convert to fraction form
    5,076.19/7,005.30 = 2,838.16/x
  3. Step 3: Cross multiply
    5,076.19x = 7,005.30 × 2,838.16
  4. Step 4: Simplify right side
    5,076.19x = 19,882,162.25
  5. Step 5: Solve for x
    x = 19,882,162.25/5,076.19
  6. Step 6: Final answer
    x = 3,916.75

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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.