Home / 1,840.20-2,760.30-607.65

Finding the Fourth Proportional to 1,840.20, 2,760.30 and 607.65

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Solution

The fourth proportional to 1,840.20, 2,760.30 and 607.65 is: 911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.20 : 2,760.30 = 607.65 : x
  2. Step 2: Convert to fraction form
    1,840.20/2,760.30 = 607.65/x
  3. Step 3: Cross multiply
    1,840.20x = 2,760.30 × 607.65
  4. Step 4: Simplify right side
    1,840.20x = 1,677,296.30
  5. Step 5: Solve for x
    x = 1,677,296.30/1,840.20
  6. Step 6: Final answer
    x = 911.48

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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.