Home / 4,720.41-7,080.85-1,798.94

Finding the Fourth Proportional to 4,720.41, 7,080.85 and 1,798.94

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Solution

The fourth proportional to 4,720.41, 7,080.85 and 1,798.94 is: 2,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.41 : 7,080.85 = 1,798.94 : x
  2. Step 2: Convert to fraction form
    4,720.41/7,080.85 = 1,798.94/x
  3. Step 3: Cross multiply
    4,720.41x = 7,080.85 × 1,798.94
  4. Step 4: Simplify right side
    4,720.41x = 12,738,044.25
  5. Step 5: Solve for x
    x = 12,738,044.25/4,720.41
  6. Step 6: Final answer
    x = 2,698.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.