Home / 5,418.52-8,127.08-1,470.08

Finding the Fourth Proportional to 5,418.52, 8,127.08 and 1,470.08

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Solution

The fourth proportional to 5,418.52, 8,127.08 and 1,470.08 is: 2,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.52 : 8,127.08 = 1,470.08 : x
  2. Step 2: Convert to fraction form
    5,418.52/8,127.08 = 1,470.08/x
  3. Step 3: Cross multiply
    5,418.52x = 8,127.08 × 1,470.08
  4. Step 4: Simplify right side
    5,418.52x = 11,947,457.77
  5. Step 5: Solve for x
    x = 11,947,457.77/5,418.52
  6. Step 6: Final answer
    x = 2,204.93

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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.