Home / 5,386.21-7,432.83-2,996.18

Finding the Fourth Proportional to 5,386.21, 7,432.83 and 2,996.18

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Solution

The fourth proportional to 5,386.21, 7,432.83 and 2,996.18 is: 4,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.21 : 7,432.83 = 2,996.18 : x
  2. Step 2: Convert to fraction form
    5,386.21/7,432.83 = 2,996.18/x
  3. Step 3: Cross multiply
    5,386.21x = 7,432.83 × 2,996.18
  4. Step 4: Simplify right side
    5,386.21x = 22,270,059.43
  5. Step 5: Solve for x
    x = 22,270,059.43/5,386.21
  6. Step 6: Final answer
    x = 4,134.65

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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.