Home / 3,528.89-5,290.44-1,771.77

Finding the Fourth Proportional to 3,528.89, 5,290.44 and 1,771.77

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Solution

The fourth proportional to 3,528.89, 5,290.44 and 1,771.77 is: 2,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.89 : 5,290.44 = 1,771.77 : x
  2. Step 2: Convert to fraction form
    3,528.89/5,290.44 = 1,771.77/x
  3. Step 3: Cross multiply
    3,528.89x = 5,290.44 × 1,771.77
  4. Step 4: Simplify right side
    3,528.89x = 9,373,442.88
  5. Step 5: Solve for x
    x = 9,373,442.88/3,528.89
  6. Step 6: Final answer
    x = 2,656.20

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Double scale
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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.