Home / 3,244.81-4,477.53-1,900.21

Finding the Fourth Proportional to 3,244.81, 4,477.53 and 1,900.21

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Solution

The fourth proportional to 3,244.81, 4,477.53 and 1,900.21 is: 2,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.81 : 4,477.53 = 1,900.21 : x
  2. Step 2: Convert to fraction form
    3,244.81/4,477.53 = 1,900.21/x
  3. Step 3: Cross multiply
    3,244.81x = 4,477.53 × 1,900.21
  4. Step 4: Simplify right side
    3,244.81x = 8,508,247.28
  5. Step 5: Solve for x
    x = 8,508,247.28/3,244.81
  6. Step 6: Final answer
    x = 2,622.11

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Double scale
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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.