Home / 5,821.04-8,728.65-2,900.96

Finding the Fourth Proportional to 5,821.04, 8,728.65 and 2,900.96

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Solution

The fourth proportional to 5,821.04, 8,728.65 and 2,900.96 is: 4,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.04 : 8,728.65 = 2,900.96 : x
  2. Step 2: Convert to fraction form
    5,821.04/8,728.65 = 2,900.96/x
  3. Step 3: Cross multiply
    5,821.04x = 8,728.65 × 2,900.96
  4. Step 4: Simplify right side
    5,821.04x = 25,321,464.50
  5. Step 5: Solve for x
    x = 25,321,464.50/5,821.04
  6. Step 6: Final answer
    x = 4,349.99

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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.