Home / 2,587.34-3,871.67-2,226.48

Finding the Fourth Proportional to 2,587.34, 3,871.67 and 2,226.48

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Solution

The fourth proportional to 2,587.34, 3,871.67 and 2,226.48 is: 3,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.34 : 3,871.67 = 2,226.48 : x
  2. Step 2: Convert to fraction form
    2,587.34/3,871.67 = 2,226.48/x
  3. Step 3: Cross multiply
    2,587.34x = 3,871.67 × 2,226.48
  4. Step 4: Simplify right side
    2,587.34x = 8,620,184.69
  5. Step 5: Solve for x
    x = 8,620,184.69/2,587.34
  6. Step 6: Final answer
    x = 3,331.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.