Home / 5,201.64-7,174.80-3,210.30

Finding the Fourth Proportional to 5,201.64, 7,174.80 and 3,210.30

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Solution

The fourth proportional to 5,201.64, 7,174.80 and 3,210.30 is: 4,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.64 : 7,174.80 = 3,210.30 : x
  2. Step 2: Convert to fraction form
    5,201.64/7,174.80 = 3,210.30/x
  3. Step 3: Cross multiply
    5,201.64x = 7,174.80 × 3,210.30
  4. Step 4: Simplify right side
    5,201.64x = 23,033,260.44
  5. Step 5: Solve for x
    x = 23,033,260.44/5,201.64
  6. Step 6: Final answer
    x = 4,428.08

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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.