Home / 4,680.03-6,456.78-3,089.70

Finding the Fourth Proportional to 4,680.03, 6,456.78 and 3,089.70

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Solution

The fourth proportional to 4,680.03, 6,456.78 and 3,089.70 is: 4,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.03 : 6,456.78 = 3,089.70 : x
  2. Step 2: Convert to fraction form
    4,680.03/6,456.78 = 3,089.70/x
  3. Step 3: Cross multiply
    4,680.03x = 6,456.78 × 3,089.70
  4. Step 4: Simplify right side
    4,680.03x = 19,949,513.17
  5. Step 5: Solve for x
    x = 19,949,513.17/4,680.03
  6. Step 6: Final answer
    x = 4,262.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.