Home / 5,307.93-7,961.55-2,020.95

Finding the Fourth Proportional to 5,307.93, 7,961.55 and 2,020.95

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Solution

The fourth proportional to 5,307.93, 7,961.55 and 2,020.95 is: 3,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.93 : 7,961.55 = 2,020.95 : x
  2. Step 2: Convert to fraction form
    5,307.93/7,961.55 = 2,020.95/x
  3. Step 3: Cross multiply
    5,307.93x = 7,961.55 × 2,020.95
  4. Step 4: Simplify right side
    5,307.93x = 16,089,894.47
  5. Step 5: Solve for x
    x = 16,089,894.47/5,307.93
  6. Step 6: Final answer
    x = 3,031.29

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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.