Home / 5,051.16-7,576.74-1,971

Finding the Fourth Proportional to 5,051.16, 7,576.74 and 1,971

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Solution

The fourth proportional to 5,051.16, 7,576.74 and 1,971 is: 2,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.16 : 7,576.74 = 1,971 : x
  2. Step 2: Convert to fraction form
    5,051.16/7,576.74 = 1,971/x
  3. Step 3: Cross multiply
    5,051.16x = 7,576.74 × 1,971
  4. Step 4: Simplify right side
    5,051.16x = 14,933,754.54
  5. Step 5: Solve for x
    x = 14,933,754.54/5,051.16
  6. Step 6: Final answer
    x = 2,956.50

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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.