Home / 3,346.65-5,018.40-1,786.23

Finding the Fourth Proportional to 3,346.65, 5,018.40 and 1,786.23

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Solution

The fourth proportional to 3,346.65, 5,018.40 and 1,786.23 is: 2,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.65 : 5,018.40 = 1,786.23 : x
  2. Step 2: Convert to fraction form
    3,346.65/5,018.40 = 1,786.23/x
  3. Step 3: Cross multiply
    3,346.65x = 5,018.40 × 1,786.23
  4. Step 4: Simplify right side
    3,346.65x = 8,964,016.63
  5. Step 5: Solve for x
    x = 8,964,016.63/3,346.65
  6. Step 6: Final answer
    x = 2,678.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.