Home / 5,031.21-7,548.26-1,568.49

Finding the Fourth Proportional to 5,031.21, 7,548.26 and 1,568.49

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Solution

The fourth proportional to 5,031.21, 7,548.26 and 1,568.49 is: 2,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.21 : 7,548.26 = 1,568.49 : x
  2. Step 2: Convert to fraction form
    5,031.21/7,548.26 = 1,568.49/x
  3. Step 3: Cross multiply
    5,031.21x = 7,548.26 × 1,568.49
  4. Step 4: Simplify right side
    5,031.21x = 11,839,362.48
  5. Step 5: Solve for x
    x = 11,839,362.48/5,031.21
  6. Step 6: Final answer
    x = 2,353.18

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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.