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Finding the Fourth Proportional to 3,195.94, 4,410.43 and 1,798.69

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Solution

The fourth proportional to 3,195.94, 4,410.43 and 1,798.69 is: 2,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.94 : 4,410.43 = 1,798.69 : x
  2. Step 2: Convert to fraction form
    3,195.94/4,410.43 = 1,798.69/x
  3. Step 3: Cross multiply
    3,195.94x = 4,410.43 × 1,798.69
  4. Step 4: Simplify right side
    3,195.94x = 7,932,980.81
  5. Step 5: Solve for x
    x = 7,932,980.81/3,195.94
  6. Step 6: Final answer
    x = 2,482.21

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Half scale
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Double scale
Find fourth proportional to 3,196.94, 4,411.81 and 1,799.69
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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.