Home / 7,287.03-10,931.76-2,904.66

Finding the Fourth Proportional to 7,287.03, 10,931.76 and 2,904.66

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Solution

The fourth proportional to 7,287.03, 10,931.76 and 2,904.66 is: 4,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.03 : 10,931.76 = 2,904.66 : x
  2. Step 2: Convert to fraction form
    7,287.03/10,931.76 = 2,904.66/x
  3. Step 3: Cross multiply
    7,287.03x = 10,931.76 × 2,904.66
  4. Step 4: Simplify right side
    7,287.03x = 31,753,046.00
  5. Step 5: Solve for x
    x = 31,753,046.00/7,287.03
  6. Step 6: Final answer
    x = 4,357.47

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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.