Home / 4,815.59-7,223.63-1,353.11

Finding the Fourth Proportional to 4,815.59, 7,223.63 and 1,353.11

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Solution

The fourth proportional to 4,815.59, 7,223.63 and 1,353.11 is: 2,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.59 : 7,223.63 = 1,353.11 : x
  2. Step 2: Convert to fraction form
    4,815.59/7,223.63 = 1,353.11/x
  3. Step 3: Cross multiply
    4,815.59x = 7,223.63 × 1,353.11
  4. Step 4: Simplify right side
    4,815.59x = 9,774,323.11
  5. Step 5: Solve for x
    x = 9,774,323.11/4,815.59
  6. Step 6: Final answer
    x = 2,029.73

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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.