Home / 5,590.29-7,714.41-3,072.36

Finding the Fourth Proportional to 5,590.29, 7,714.41 and 3,072.36

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Solution

The fourth proportional to 5,590.29, 7,714.41 and 3,072.36 is: 4,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.29 : 7,714.41 = 3,072.36 : x
  2. Step 2: Convert to fraction form
    5,590.29/7,714.41 = 3,072.36/x
  3. Step 3: Cross multiply
    5,590.29x = 7,714.41 × 3,072.36
  4. Step 4: Simplify right side
    5,590.29x = 23,701,422.95
  5. Step 5: Solve for x
    x = 23,701,422.95/5,590.29
  6. Step 6: Final answer
    x = 4,239.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.