Home / 5,246.36-7,240.41-2,888.94

Finding the Fourth Proportional to 5,246.36, 7,240.41 and 2,888.94

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Solution

The fourth proportional to 5,246.36, 7,240.41 and 2,888.94 is: 3,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.36 : 7,240.41 = 2,888.94 : x
  2. Step 2: Convert to fraction form
    5,246.36/7,240.41 = 2,888.94/x
  3. Step 3: Cross multiply
    5,246.36x = 7,240.41 × 2,888.94
  4. Step 4: Simplify right side
    5,246.36x = 20,917,110.07
  5. Step 5: Solve for x
    x = 20,917,110.07/5,246.36
  6. Step 6: Final answer
    x = 3,986.98

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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.