Home / 5,070.55-6,996.95-2,831.99

Finding the Fourth Proportional to 5,070.55, 6,996.95 and 2,831.99

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Solution

The fourth proportional to 5,070.55, 6,996.95 and 2,831.99 is: 3,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.55 : 6,996.95 = 2,831.99 : x
  2. Step 2: Convert to fraction form
    5,070.55/6,996.95 = 2,831.99/x
  3. Step 3: Cross multiply
    5,070.55x = 6,996.95 × 2,831.99
  4. Step 4: Simplify right side
    5,070.55x = 19,815,314.88
  5. Step 5: Solve for x
    x = 19,815,314.88/5,070.55
  6. Step 6: Final answer
    x = 3,907.92

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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.