Home / 3,099.81-4,277.74-1,702.56

Finding the Fourth Proportional to 3,099.81, 4,277.74 and 1,702.56

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Solution

The fourth proportional to 3,099.81, 4,277.74 and 1,702.56 is: 2,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.81 : 4,277.74 = 1,702.56 : x
  2. Step 2: Convert to fraction form
    3,099.81/4,277.74 = 1,702.56/x
  3. Step 3: Cross multiply
    3,099.81x = 4,277.74 × 1,702.56
  4. Step 4: Simplify right side
    3,099.81x = 7,283,109.01
  5. Step 5: Solve for x
    x = 7,283,109.01/3,099.81
  6. Step 6: Final answer
    x = 2,349.53

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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.