Home / 5,362.20-8,036.28-2,898.72

Finding the Fourth Proportional to 5,362.20, 8,036.28 and 2,898.72

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Solution

The fourth proportional to 5,362.20, 8,036.28 and 2,898.72 is: 4,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.20 : 8,036.28 = 2,898.72 : x
  2. Step 2: Convert to fraction form
    5,362.20/8,036.28 = 2,898.72/x
  3. Step 3: Cross multiply
    5,362.20x = 8,036.28 × 2,898.72
  4. Step 4: Simplify right side
    5,362.20x = 23,294,925.56
  5. Step 5: Solve for x
    x = 23,294,925.56/5,362.20
  6. Step 6: Final answer
    x = 4,344.29

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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.