Home / 3,453-4,765.59-2,055.75

Finding the Fourth Proportional to 3,453, 4,765.59 and 2,055.75

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Solution

The fourth proportional to 3,453, 4,765.59 and 2,055.75 is: 2,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453 : 4,765.59 = 2,055.75 : x
  2. Step 2: Convert to fraction form
    3,453/4,765.59 = 2,055.75/x
  3. Step 3: Cross multiply
    3,453x = 4,765.59 × 2,055.75
  4. Step 4: Simplify right side
    3,453x = 9,796,861.64
  5. Step 5: Solve for x
    x = 9,796,861.64/3,453
  6. Step 6: Final answer
    x = 2,837.20

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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.