Home / 3,512.04-5,264.40-1,431.14

Finding the Fourth Proportional to 3,512.04, 5,264.40 and 1,431.14

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Solution

The fourth proportional to 3,512.04, 5,264.40 and 1,431.14 is: 2,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.04 : 5,264.40 = 1,431.14 : x
  2. Step 2: Convert to fraction form
    3,512.04/5,264.40 = 1,431.14/x
  3. Step 3: Cross multiply
    3,512.04x = 5,264.40 × 1,431.14
  4. Step 4: Simplify right side
    3,512.04x = 7,534,093.42
  5. Step 5: Solve for x
    x = 7,534,093.42/3,512.04
  6. Step 6: Final answer
    x = 2,145.22

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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.