Home / 3,102.22-4,281.06-1,775.93

Finding the Fourth Proportional to 3,102.22, 4,281.06 and 1,775.93

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Solution

The fourth proportional to 3,102.22, 4,281.06 and 1,775.93 is: 2,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.22 : 4,281.06 = 1,775.93 : x
  2. Step 2: Convert to fraction form
    3,102.22/4,281.06 = 1,775.93/x
  3. Step 3: Cross multiply
    3,102.22x = 4,281.06 × 1,775.93
  4. Step 4: Simplify right side
    3,102.22x = 7,602,848.14
  5. Step 5: Solve for x
    x = 7,602,848.14/3,102.22
  6. Step 6: Final answer
    x = 2,450.78

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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.