Home / 6,904.80-10,358.76-3,009.60

Finding the Fourth Proportional to 6,904.80, 10,358.76 and 3,009.60

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Solution

The fourth proportional to 6,904.80, 10,358.76 and 3,009.60 is: 4,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.80 : 10,358.76 = 3,009.60 : x
  2. Step 2: Convert to fraction form
    6,904.80/10,358.76 = 3,009.60/x
  3. Step 3: Cross multiply
    6,904.80x = 10,358.76 × 3,009.60
  4. Step 4: Simplify right side
    6,904.80x = 31,175,724.10
  5. Step 5: Solve for x
    x = 31,175,724.10/6,904.80
  6. Step 6: Final answer
    x = 4,515.08

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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.