Home / 5,246.66-7,240.44-2,888.88

Finding the Fourth Proportional to 5,246.66, 7,240.44 and 2,888.88

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Solution

The fourth proportional to 5,246.66, 7,240.44 and 2,888.88 is: 3,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.66 : 7,240.44 = 2,888.88 : x
  2. Step 2: Convert to fraction form
    5,246.66/7,240.44 = 2,888.88/x
  3. Step 3: Cross multiply
    5,246.66x = 7,240.44 × 2,888.88
  4. Step 4: Simplify right side
    5,246.66x = 20,916,762.31
  5. Step 5: Solve for x
    x = 20,916,762.31/5,246.66
  6. Step 6: Final answer
    x = 3,986.69

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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.