Home / 4,078.34-6,117.32-1,156.58

Finding the Fourth Proportional to 4,078.34, 6,117.32 and 1,156.58

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Solution

The fourth proportional to 4,078.34, 6,117.32 and 1,156.58 is: 1,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.34 : 6,117.32 = 1,156.58 : x
  2. Step 2: Convert to fraction form
    4,078.34/6,117.32 = 1,156.58/x
  3. Step 3: Cross multiply
    4,078.34x = 6,117.32 × 1,156.58
  4. Step 4: Simplify right side
    4,078.34x = 7,075,169.97
  5. Step 5: Solve for x
    x = 7,075,169.97/4,078.34
  6. Step 6: Final answer
    x = 1,734.82

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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.