Home / 4,590.72-6,886.99-1,668.65

Finding the Fourth Proportional to 4,590.72, 6,886.99 and 1,668.65

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Solution

The fourth proportional to 4,590.72, 6,886.99 and 1,668.65 is: 2,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.72 : 6,886.99 = 1,668.65 : x
  2. Step 2: Convert to fraction form
    4,590.72/6,886.99 = 1,668.65/x
  3. Step 3: Cross multiply
    4,590.72x = 6,886.99 × 1,668.65
  4. Step 4: Simplify right side
    4,590.72x = 11,491,943.51
  5. Step 5: Solve for x
    x = 11,491,943.51/4,590.72
  6. Step 6: Final answer
    x = 2,503.30

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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.