Home / 5,228.02-7,214.63-2,837.94

Finding the Fourth Proportional to 5,228.02, 7,214.63 and 2,837.94

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Solution

The fourth proportional to 5,228.02, 7,214.63 and 2,837.94 is: 3,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.02 : 7,214.63 = 2,837.94 : x
  2. Step 2: Convert to fraction form
    5,228.02/7,214.63 = 2,837.94/x
  3. Step 3: Cross multiply
    5,228.02x = 7,214.63 × 2,837.94
  4. Step 4: Simplify right side
    5,228.02x = 20,474,687.06
  5. Step 5: Solve for x
    x = 20,474,687.06/5,228.02
  6. Step 6: Final answer
    x = 3,916.34

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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.