Home / 4,208.19-6,312.30-1,867.65

Finding the Fourth Proportional to 4,208.19, 6,312.30 and 1,867.65

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Solution

The fourth proportional to 4,208.19, 6,312.30 and 1,867.65 is: 2,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.19 : 6,312.30 = 1,867.65 : x
  2. Step 2: Convert to fraction form
    4,208.19/6,312.30 = 1,867.65/x
  3. Step 3: Cross multiply
    4,208.19x = 6,312.30 × 1,867.65
  4. Step 4: Simplify right side
    4,208.19x = 11,789,167.10
  5. Step 5: Solve for x
    x = 11,789,167.10/4,208.19
  6. Step 6: Final answer
    x = 2,801.48

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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.