Home / 5,246.37-7,239.90-2,888.46

Finding the Fourth Proportional to 5,246.37, 7,239.90 and 2,888.46

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Solution

The fourth proportional to 5,246.37, 7,239.90 and 2,888.46 is: 3,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.37 : 7,239.90 = 2,888.46 : x
  2. Step 2: Convert to fraction form
    5,246.37/7,239.90 = 2,888.46/x
  3. Step 3: Cross multiply
    5,246.37x = 7,239.90 × 2,888.46
  4. Step 4: Simplify right side
    5,246.37x = 20,912,161.55
  5. Step 5: Solve for x
    x = 20,912,161.55/5,246.37
  6. Step 6: Final answer
    x = 3,986.02

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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.