Home / 5,069.51-6,995.75-2,831.36

Finding the Fourth Proportional to 5,069.51, 6,995.75 and 2,831.36

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Solution

The fourth proportional to 5,069.51, 6,995.75 and 2,831.36 is: 3,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.51 : 6,995.75 = 2,831.36 : x
  2. Step 2: Convert to fraction form
    5,069.51/6,995.75 = 2,831.36/x
  3. Step 3: Cross multiply
    5,069.51x = 6,995.75 × 2,831.36
  4. Step 4: Simplify right side
    5,069.51x = 19,807,490.05
  5. Step 5: Solve for x
    x = 19,807,490.05/5,069.51
  6. Step 6: Final answer
    x = 3,907.18

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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.