Home / 4,018.86-5,549.42-3,022.40

Finding the Fourth Proportional to 4,018.86, 5,549.42 and 3,022.40

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Solution

The fourth proportional to 4,018.86, 5,549.42 and 3,022.40 is: 4,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.86 : 5,549.42 = 3,022.40 : x
  2. Step 2: Convert to fraction form
    4,018.86/5,549.42 = 3,022.40/x
  3. Step 3: Cross multiply
    4,018.86x = 5,549.42 × 3,022.40
  4. Step 4: Simplify right side
    4,018.86x = 16,772,567.01
  5. Step 5: Solve for x
    x = 16,772,567.01/4,018.86
  6. Step 6: Final answer
    x = 4,173.46

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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.