Home / 3,020-4,529.94-1,071.74

Finding the Fourth Proportional to 3,020, 4,529.94 and 1,071.74

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Solution

The fourth proportional to 3,020, 4,529.94 and 1,071.74 is: 1,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020 : 4,529.94 = 1,071.74 : x
  2. Step 2: Convert to fraction form
    3,020/4,529.94 = 1,071.74/x
  3. Step 3: Cross multiply
    3,020x = 4,529.94 × 1,071.74
  4. Step 4: Simplify right side
    3,020x = 4,854,917.90
  5. Step 5: Solve for x
    x = 4,854,917.90/3,020
  6. Step 6: Final answer
    x = 1,607.59

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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.