Home / 3,340.96-4,605.20-2,631.68

Finding the Fourth Proportional to 3,340.96, 4,605.20 and 2,631.68

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Solution

The fourth proportional to 3,340.96, 4,605.20 and 2,631.68 is: 3,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.96 : 4,605.20 = 2,631.68 : x
  2. Step 2: Convert to fraction form
    3,340.96/4,605.20 = 2,631.68/x
  3. Step 3: Cross multiply
    3,340.96x = 4,605.20 × 2,631.68
  4. Step 4: Simplify right side
    3,340.96x = 12,119,412.74
  5. Step 5: Solve for x
    x = 12,119,412.74/3,340.96
  6. Step 6: Final answer
    x = 3,627.52

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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.