Home / 3,966.23-5,474.25-2,530.31

Finding the Fourth Proportional to 3,966.23, 5,474.25 and 2,530.31

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Solution

The fourth proportional to 3,966.23, 5,474.25 and 2,530.31 is: 3,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.23 : 5,474.25 = 2,530.31 : x
  2. Step 2: Convert to fraction form
    3,966.23/5,474.25 = 2,530.31/x
  3. Step 3: Cross multiply
    3,966.23x = 5,474.25 × 2,530.31
  4. Step 4: Simplify right side
    3,966.23x = 13,851,522.15
  5. Step 5: Solve for x
    x = 13,851,522.15/3,966.23
  6. Step 6: Final answer
    x = 3,492.36

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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.