Home / 1,938.26-2,674.76-1,054.01

Finding the Fourth Proportional to 1,938.26, 2,674.76 and 1,054.01

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Solution

The fourth proportional to 1,938.26, 2,674.76 and 1,054.01 is: 1,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.26 : 2,674.76 = 1,054.01 : x
  2. Step 2: Convert to fraction form
    1,938.26/2,674.76 = 1,054.01/x
  3. Step 3: Cross multiply
    1,938.26x = 2,674.76 × 1,054.01
  4. Step 4: Simplify right side
    1,938.26x = 2,819,225.20
  5. Step 5: Solve for x
    x = 2,819,225.20/1,938.26
  6. Step 6: Final answer
    x = 1,454.51

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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.