Home / 3,118.62-4,303.86-1,792.46

Finding the Fourth Proportional to 3,118.62, 4,303.86 and 1,792.46

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Solution

The fourth proportional to 3,118.62, 4,303.86 and 1,792.46 is: 2,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.62 : 4,303.86 = 1,792.46 : x
  2. Step 2: Convert to fraction form
    3,118.62/4,303.86 = 1,792.46/x
  3. Step 3: Cross multiply
    3,118.62x = 4,303.86 × 1,792.46
  4. Step 4: Simplify right side
    3,118.62x = 7,714,496.90
  5. Step 5: Solve for x
    x = 7,714,496.90/3,118.62
  6. Step 6: Final answer
    x = 2,473.69

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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.