Home / 6,430.39-9,645.56-2,047.83

Finding the Fourth Proportional to 6,430.39, 9,645.56 and 2,047.83

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Solution

The fourth proportional to 6,430.39, 9,645.56 and 2,047.83 is: 3,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.39 : 9,645.56 = 2,047.83 : x
  2. Step 2: Convert to fraction form
    6,430.39/9,645.56 = 2,047.83/x
  3. Step 3: Cross multiply
    6,430.39x = 9,645.56 × 2,047.83
  4. Step 4: Simplify right side
    6,430.39x = 19,752,494.18
  5. Step 5: Solve for x
    x = 19,752,494.18/6,430.39
  6. Step 6: Final answer
    x = 3,071.74

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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.