Home / 5,384.09-8,076.76-1,435.52

Finding the Fourth Proportional to 5,384.09, 8,076.76 and 1,435.52

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Solution

The fourth proportional to 5,384.09, 8,076.76 and 1,435.52 is: 2,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.09 : 8,076.76 = 1,435.52 : x
  2. Step 2: Convert to fraction form
    5,384.09/8,076.76 = 1,435.52/x
  3. Step 3: Cross multiply
    5,384.09x = 8,076.76 × 1,435.52
  4. Step 4: Simplify right side
    5,384.09x = 11,594,367.12
  5. Step 5: Solve for x
    x = 11,594,367.12/5,384.09
  6. Step 6: Final answer
    x = 2,153.45

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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.