Home / 5,069.77-6,995.66-2,831.57

Finding the Fourth Proportional to 5,069.77, 6,995.66 and 2,831.57

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Solution

The fourth proportional to 5,069.77, 6,995.66 and 2,831.57 is: 3,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.77 : 6,995.66 = 2,831.57 : x
  2. Step 2: Convert to fraction form
    5,069.77/6,995.66 = 2,831.57/x
  3. Step 3: Cross multiply
    5,069.77x = 6,995.66 × 2,831.57
  4. Step 4: Simplify right side
    5,069.77x = 19,808,651.85
  5. Step 5: Solve for x
    x = 19,808,651.85/5,069.77
  6. Step 6: Final answer
    x = 3,907.21

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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.