Home / 4,821.63-7,232.78-1,359.15

Finding the Fourth Proportional to 4,821.63, 7,232.78 and 1,359.15

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Solution

The fourth proportional to 4,821.63, 7,232.78 and 1,359.15 is: 2,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.63 : 7,232.78 = 1,359.15 : x
  2. Step 2: Convert to fraction form
    4,821.63/7,232.78 = 1,359.15/x
  3. Step 3: Cross multiply
    4,821.63x = 7,232.78 × 1,359.15
  4. Step 4: Simplify right side
    4,821.63x = 9,830,432.94
  5. Step 5: Solve for x
    x = 9,830,432.94/4,821.63
  6. Step 6: Final answer
    x = 2,038.82

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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.