Home / 5,228.02-7,214.34-2,869.96

Finding the Fourth Proportional to 5,228.02, 7,214.34 and 2,869.96

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Solution

The fourth proportional to 5,228.02, 7,214.34 and 2,869.96 is: 3,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.02 : 7,214.34 = 2,869.96 : x
  2. Step 2: Convert to fraction form
    5,228.02/7,214.34 = 2,869.96/x
  3. Step 3: Cross multiply
    5,228.02x = 7,214.34 × 2,869.96
  4. Step 4: Simplify right side
    5,228.02x = 20,704,867.23
  5. Step 5: Solve for x
    x = 20,704,867.23/5,228.02
  6. Step 6: Final answer
    x = 3,960.36

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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.