Home / 4,695.54-7,040.10-1,921.38

Finding the Fourth Proportional to 4,695.54, 7,040.10 and 1,921.38

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Solution

The fourth proportional to 4,695.54, 7,040.10 and 1,921.38 is: 2,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.54 : 7,040.10 = 1,921.38 : x
  2. Step 2: Convert to fraction form
    4,695.54/7,040.10 = 1,921.38/x
  3. Step 3: Cross multiply
    4,695.54x = 7,040.10 × 1,921.38
  4. Step 4: Simplify right side
    4,695.54x = 13,526,707.34
  5. Step 5: Solve for x
    x = 13,526,707.34/4,695.54
  6. Step 6: Final answer
    x = 2,880.76

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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.