Home / 7,140.26-10,709.30-4,366.02

Finding the Fourth Proportional to 7,140.26, 10,709.30 and 4,366.02

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Solution

The fourth proportional to 7,140.26, 10,709.30 and 4,366.02 is: 6,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.26 : 10,709.30 = 4,366.02 : x
  2. Step 2: Convert to fraction form
    7,140.26/10,709.30 = 4,366.02/x
  3. Step 3: Cross multiply
    7,140.26x = 10,709.30 × 4,366.02
  4. Step 4: Simplify right side
    7,140.26x = 46,757,017.99
  5. Step 5: Solve for x
    x = 46,757,017.99/7,140.26
  6. Step 6: Final answer
    x = 6,548.36

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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.