Home / 2,996.19-4,134.74-1,670.15

Finding the Fourth Proportional to 2,996.19, 4,134.74 and 1,670.15

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Solution

The fourth proportional to 2,996.19, 4,134.74 and 1,670.15 is: 2,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.19 : 4,134.74 = 1,670.15 : x
  2. Step 2: Convert to fraction form
    2,996.19/4,134.74 = 1,670.15/x
  3. Step 3: Cross multiply
    2,996.19x = 4,134.74 × 1,670.15
  4. Step 4: Simplify right side
    2,996.19x = 6,905,636.01
  5. Step 5: Solve for x
    x = 6,905,636.01/2,996.19
  6. Step 6: Final answer
    x = 2,304.81

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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.