Home / 6,449.26-9,678.20-2,345.26

Finding the Fourth Proportional to 6,449.26, 9,678.20 and 2,345.26

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Solution

The fourth proportional to 6,449.26, 9,678.20 and 2,345.26 is: 3,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.26 : 9,678.20 = 2,345.26 : x
  2. Step 2: Convert to fraction form
    6,449.26/9,678.20 = 2,345.26/x
  3. Step 3: Cross multiply
    6,449.26x = 9,678.20 × 2,345.26
  4. Step 4: Simplify right side
    6,449.26x = 22,697,841.08
  5. Step 5: Solve for x
    x = 22,697,841.08/6,449.26
  6. Step 6: Final answer
    x = 3,519.45

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1.5x scale

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.