Home / 4,876.70-7,315.96-1,955.23

Finding the Fourth Proportional to 4,876.70, 7,315.96 and 1,955.23

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Solution

The fourth proportional to 4,876.70, 7,315.96 and 1,955.23 is: 2,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.70 : 7,315.96 = 1,955.23 : x
  2. Step 2: Convert to fraction form
    4,876.70/7,315.96 = 1,955.23/x
  3. Step 3: Cross multiply
    4,876.70x = 7,315.96 × 1,955.23
  4. Step 4: Simplify right side
    4,876.70x = 14,304,374.69
  5. Step 5: Solve for x
    x = 14,304,374.69/4,876.70
  6. Step 6: Final answer
    x = 2,933.21

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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.