Home / 4,020.82-5,548.35-2,762.98

Finding the Fourth Proportional to 4,020.82, 5,548.35 and 2,762.98

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Solution

The fourth proportional to 4,020.82, 5,548.35 and 2,762.98 is: 3,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.82 : 5,548.35 = 2,762.98 : x
  2. Step 2: Convert to fraction form
    4,020.82/5,548.35 = 2,762.98/x
  3. Step 3: Cross multiply
    4,020.82x = 5,548.35 × 2,762.98
  4. Step 4: Simplify right side
    4,020.82x = 15,329,980.08
  5. Step 5: Solve for x
    x = 15,329,980.08/4,020.82
  6. Step 6: Final answer
    x = 3,812.65

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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.