Home / 4,362.45-6,542.75-1,440.07

Finding the Fourth Proportional to 4,362.45, 6,542.75 and 1,440.07

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Solution

The fourth proportional to 4,362.45, 6,542.75 and 1,440.07 is: 2,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.45 : 6,542.75 = 1,440.07 : x
  2. Step 2: Convert to fraction form
    4,362.45/6,542.75 = 1,440.07/x
  3. Step 3: Cross multiply
    4,362.45x = 6,542.75 × 1,440.07
  4. Step 4: Simplify right side
    4,362.45x = 9,422,017.99
  5. Step 5: Solve for x
    x = 9,422,017.99/4,362.45
  6. Step 6: Final answer
    x = 2,159.80

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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.