Home / 5,048.75-6,967.28-2,840.75

Finding the Fourth Proportional to 5,048.75, 6,967.28 and 2,840.75

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Solution

The fourth proportional to 5,048.75, 6,967.28 and 2,840.75 is: 3,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.75 : 6,967.28 = 2,840.75 : x
  2. Step 2: Convert to fraction form
    5,048.75/6,967.28 = 2,840.75/x
  3. Step 3: Cross multiply
    5,048.75x = 6,967.28 × 2,840.75
  4. Step 4: Simplify right side
    5,048.75x = 19,792,300.66
  5. Step 5: Solve for x
    x = 19,792,300.66/5,048.75
  6. Step 6: Final answer
    x = 3,920.24

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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.