Home / 3,962.16-5,470.20-2,637

Finding the Fourth Proportional to 3,962.16, 5,470.20 and 2,637

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Solution

The fourth proportional to 3,962.16, 5,470.20 and 2,637 is: 3,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.16 : 5,470.20 = 2,637 : x
  2. Step 2: Convert to fraction form
    3,962.16/5,470.20 = 2,637/x
  3. Step 3: Cross multiply
    3,962.16x = 5,470.20 × 2,637
  4. Step 4: Simplify right side
    3,962.16x = 14,424,917.40
  5. Step 5: Solve for x
    x = 14,424,917.40/3,962.16
  6. Step 6: Final answer
    x = 3,640.67

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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.