Home / 7,020.98-9,680.18-4,498.94

Finding the Fourth Proportional to 7,020.98, 9,680.18 and 4,498.94

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Solution

The fourth proportional to 7,020.98, 9,680.18 and 4,498.94 is: 6,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.98 : 9,680.18 = 4,498.94 : x
  2. Step 2: Convert to fraction form
    7,020.98/9,680.18 = 4,498.94/x
  3. Step 3: Cross multiply
    7,020.98x = 9,680.18 × 4,498.94
  4. Step 4: Simplify right side
    7,020.98x = 43,550,511.86
  5. Step 5: Solve for x
    x = 43,550,511.86/7,020.98
  6. Step 6: Final answer
    x = 6,202.92

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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.