Home / 5,977.86-8,970.66-2,515.14

Finding the Fourth Proportional to 5,977.86, 8,970.66 and 2,515.14

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Solution

The fourth proportional to 5,977.86, 8,970.66 and 2,515.14 is: 3,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.86 : 8,970.66 = 2,515.14 : x
  2. Step 2: Convert to fraction form
    5,977.86/8,970.66 = 2,515.14/x
  3. Step 3: Cross multiply
    5,977.86x = 8,970.66 × 2,515.14
  4. Step 4: Simplify right side
    5,977.86x = 22,562,465.79
  5. Step 5: Solve for x
    x = 22,562,465.79/5,977.86
  6. Step 6: Final answer
    x = 3,774.34

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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.