Home / 4,931.65-7,396.56-1,969.84

Finding the Fourth Proportional to 4,931.65, 7,396.56 and 1,969.84

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Solution

The fourth proportional to 4,931.65, 7,396.56 and 1,969.84 is: 2,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.65 : 7,396.56 = 1,969.84 : x
  2. Step 2: Convert to fraction form
    4,931.65/7,396.56 = 1,969.84/x
  3. Step 3: Cross multiply
    4,931.65x = 7,396.56 × 1,969.84
  4. Step 4: Simplify right side
    4,931.65x = 14,570,039.75
  5. Step 5: Solve for x
    x = 14,570,039.75/4,931.65
  6. Step 6: Final answer
    x = 2,954.39

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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.