Home / 3,104.76-4,284.70-1,707.48

Finding the Fourth Proportional to 3,104.76, 4,284.70 and 1,707.48

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Solution

The fourth proportional to 3,104.76, 4,284.70 and 1,707.48 is: 2,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.76 : 4,284.70 = 1,707.48 : x
  2. Step 2: Convert to fraction form
    3,104.76/4,284.70 = 1,707.48/x
  3. Step 3: Cross multiply
    3,104.76x = 4,284.70 × 1,707.48
  4. Step 4: Simplify right side
    3,104.76x = 7,316,039.56
  5. Step 5: Solve for x
    x = 7,316,039.56/3,104.76
  6. Step 6: Final answer
    x = 2,356.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.