Home / 5,069.36-6,995.75-2,831.44

Finding the Fourth Proportional to 5,069.36, 6,995.75 and 2,831.44

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Solution

The fourth proportional to 5,069.36, 6,995.75 and 2,831.44 is: 3,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.36 : 6,995.75 = 2,831.44 : x
  2. Step 2: Convert to fraction form
    5,069.36/6,995.75 = 2,831.44/x
  3. Step 3: Cross multiply
    5,069.36x = 6,995.75 × 2,831.44
  4. Step 4: Simplify right side
    5,069.36x = 19,808,011.40
  5. Step 5: Solve for x
    x = 19,808,011.40/5,069.36
  6. Step 6: Final answer
    x = 3,907.40

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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.