Home / 2,904.58-4,352.70-1,808.30

Finding the Fourth Proportional to 2,904.58, 4,352.70 and 1,808.30

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Solution

The fourth proportional to 2,904.58, 4,352.70 and 1,808.30 is: 2,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.58 : 4,352.70 = 1,808.30 : x
  2. Step 2: Convert to fraction form
    2,904.58/4,352.70 = 1,808.30/x
  3. Step 3: Cross multiply
    2,904.58x = 4,352.70 × 1,808.30
  4. Step 4: Simplify right side
    2,904.58x = 7,870,987.41
  5. Step 5: Solve for x
    x = 7,870,987.41/2,904.58
  6. Step 6: Final answer
    x = 2,709.86

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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.