Home / 7,714.75-11,576.90-3,555.35

Finding the Fourth Proportional to 7,714.75, 11,576.90 and 3,555.35

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Solution

The fourth proportional to 7,714.75, 11,576.90 and 3,555.35 is: 5,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.75 : 11,576.90 = 3,555.35 : x
  2. Step 2: Convert to fraction form
    7,714.75/11,576.90 = 3,555.35/x
  3. Step 3: Cross multiply
    7,714.75x = 11,576.90 × 3,555.35
  4. Step 4: Simplify right side
    7,714.75x = 41,159,969.25
  5. Step 5: Solve for x
    x = 41,159,969.25/7,714.75
  6. Step 6: Final answer
    x = 5,335.23

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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.