Home / 3,118.38-4,303.58-1,792.62

Finding the Fourth Proportional to 3,118.38, 4,303.58 and 1,792.62

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Solution

The fourth proportional to 3,118.38, 4,303.58 and 1,792.62 is: 2,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.38 : 4,303.58 = 1,792.62 : x
  2. Step 2: Convert to fraction form
    3,118.38/4,303.58 = 1,792.62/x
  3. Step 3: Cross multiply
    3,118.38x = 4,303.58 × 1,792.62
  4. Step 4: Simplify right side
    3,118.38x = 7,714,674.62
  5. Step 5: Solve for x
    x = 7,714,674.62/3,118.38
  6. Step 6: Final answer
    x = 2,473.94

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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.