Home / 5,021.53-7,530.06-2,681.12

Finding the Fourth Proportional to 5,021.53, 7,530.06 and 2,681.12

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Solution

The fourth proportional to 5,021.53, 7,530.06 and 2,681.12 is: 4,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.53 : 7,530.06 = 2,681.12 : x
  2. Step 2: Convert to fraction form
    5,021.53/7,530.06 = 2,681.12/x
  3. Step 3: Cross multiply
    5,021.53x = 7,530.06 × 2,681.12
  4. Step 4: Simplify right side
    5,021.53x = 20,188,994.47
  5. Step 5: Solve for x
    x = 20,188,994.47/5,021.53
  6. Step 6: Final answer
    x = 4,020.49

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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.