Home / 4,282.81-6,424.80-2,090.02

Finding the Fourth Proportional to 4,282.81, 6,424.80 and 2,090.02

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Solution

The fourth proportional to 4,282.81, 6,424.80 and 2,090.02 is: 3,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.81 : 6,424.80 = 2,090.02 : x
  2. Step 2: Convert to fraction form
    4,282.81/6,424.80 = 2,090.02/x
  3. Step 3: Cross multiply
    4,282.81x = 6,424.80 × 2,090.02
  4. Step 4: Simplify right side
    4,282.81x = 13,427,960.50
  5. Step 5: Solve for x
    x = 13,427,960.50/4,282.81
  6. Step 6: Final answer
    x = 3,135.32

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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.