Home / 5,921.13-8,881.70-1,538.22

Finding the Fourth Proportional to 5,921.13, 8,881.70 and 1,538.22

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Solution

The fourth proportional to 5,921.13, 8,881.70 and 1,538.22 is: 2,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.13 : 8,881.70 = 1,538.22 : x
  2. Step 2: Convert to fraction form
    5,921.13/8,881.70 = 1,538.22/x
  3. Step 3: Cross multiply
    5,921.13x = 8,881.70 × 1,538.22
  4. Step 4: Simplify right side
    5,921.13x = 13,662,008.57
  5. Step 5: Solve for x
    x = 13,662,008.57/5,921.13
  6. Step 6: Final answer
    x = 2,307.33

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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.