Home / 3,196.10-4,410.60-1,798.85

Finding the Fourth Proportional to 3,196.10, 4,410.60 and 1,798.85

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Solution

The fourth proportional to 3,196.10, 4,410.60 and 1,798.85 is: 2,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.10 : 4,410.60 = 1,798.85 : x
  2. Step 2: Convert to fraction form
    3,196.10/4,410.60 = 1,798.85/x
  3. Step 3: Cross multiply
    3,196.10x = 4,410.60 × 1,798.85
  4. Step 4: Simplify right side
    3,196.10x = 7,934,007.81
  5. Step 5: Solve for x
    x = 7,934,007.81/3,196.10
  6. Step 6: Final answer
    x = 2,482.40

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Half scale
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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.