Home / 6,925.80-10,390.26-3,030.60

Finding the Fourth Proportional to 6,925.80, 10,390.26 and 3,030.60

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Solution

The fourth proportional to 6,925.80, 10,390.26 and 3,030.60 is: 4,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.80 : 10,390.26 = 3,030.60 : x
  2. Step 2: Convert to fraction form
    6,925.80/10,390.26 = 3,030.60/x
  3. Step 3: Cross multiply
    6,925.80x = 10,390.26 × 3,030.60
  4. Step 4: Simplify right side
    6,925.80x = 31,488,721.96
  5. Step 5: Solve for x
    x = 31,488,721.96/6,925.80
  6. Step 6: Final answer
    x = 4,546.58

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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.