Home / 5,246.36-7,240.07-2,888.49

Finding the Fourth Proportional to 5,246.36, 7,240.07 and 2,888.49

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Solution

The fourth proportional to 5,246.36, 7,240.07 and 2,888.49 is: 3,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.36 : 7,240.07 = 2,888.49 : x
  2. Step 2: Convert to fraction form
    5,246.36/7,240.07 = 2,888.49/x
  3. Step 3: Cross multiply
    5,246.36x = 7,240.07 × 2,888.49
  4. Step 4: Simplify right side
    5,246.36x = 20,912,855.35
  5. Step 5: Solve for x
    x = 20,912,855.35/5,246.36
  6. Step 6: Final answer
    x = 3,986.17

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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.