Home / 5,246.69-7,240.43-2,888.83

Finding the Fourth Proportional to 5,246.69, 7,240.43 and 2,888.83

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Solution

The fourth proportional to 5,246.69, 7,240.43 and 2,888.83 is: 3,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.69 : 7,240.43 = 2,888.83 : x
  2. Step 2: Convert to fraction form
    5,246.69/7,240.43 = 2,888.83/x
  3. Step 3: Cross multiply
    5,246.69x = 7,240.43 × 2,888.83
  4. Step 4: Simplify right side
    5,246.69x = 20,916,371.40
  5. Step 5: Solve for x
    x = 20,916,371.40/5,246.69
  6. Step 6: Final answer
    x = 3,986.58

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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.