Home / 6,522.52-9,784.36-2,140.40

Finding the Fourth Proportional to 6,522.52, 9,784.36 and 2,140.40

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Solution

The fourth proportional to 6,522.52, 9,784.36 and 2,140.40 is: 3,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.52 : 9,784.36 = 2,140.40 : x
  2. Step 2: Convert to fraction form
    6,522.52/9,784.36 = 2,140.40/x
  3. Step 3: Cross multiply
    6,522.52x = 9,784.36 × 2,140.40
  4. Step 4: Simplify right side
    6,522.52x = 20,942,444.14
  5. Step 5: Solve for x
    x = 20,942,444.14/6,522.52
  6. Step 6: Final answer
    x = 3,210.79

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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.