Home / 3,473.08-4,792.97-1,980.98

Finding the Fourth Proportional to 3,473.08, 4,792.97 and 1,980.98

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Solution

The fourth proportional to 3,473.08, 4,792.97 and 1,980.98 is: 2,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.08 : 4,792.97 = 1,980.98 : x
  2. Step 2: Convert to fraction form
    3,473.08/4,792.97 = 1,980.98/x
  3. Step 3: Cross multiply
    3,473.08x = 4,792.97 × 1,980.98
  4. Step 4: Simplify right side
    3,473.08x = 9,494,777.71
  5. Step 5: Solve for x
    x = 9,494,777.71/3,473.08
  6. Step 6: Final answer
    x = 2,733.82

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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.