Home / 5,070.30-6,996.51-2,831.82

Finding the Fourth Proportional to 5,070.30, 6,996.51 and 2,831.82

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Solution

The fourth proportional to 5,070.30, 6,996.51 and 2,831.82 is: 3,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.30 : 6,996.51 = 2,831.82 : x
  2. Step 2: Convert to fraction form
    5,070.30/6,996.51 = 2,831.82/x
  3. Step 3: Cross multiply
    5,070.30x = 6,996.51 × 2,831.82
  4. Step 4: Simplify right side
    5,070.30x = 19,812,856.95
  5. Step 5: Solve for x
    x = 19,812,856.95/5,070.30
  6. Step 6: Final answer
    x = 3,907.63

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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.