Home / 2,705.63-3,733.85-1,657.49

Finding the Fourth Proportional to 2,705.63, 3,733.85 and 1,657.49

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Solution

The fourth proportional to 2,705.63, 3,733.85 and 1,657.49 is: 2,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.63 : 3,733.85 = 1,657.49 : x
  2. Step 2: Convert to fraction form
    2,705.63/3,733.85 = 1,657.49/x
  3. Step 3: Cross multiply
    2,705.63x = 3,733.85 × 1,657.49
  4. Step 4: Simplify right side
    2,705.63x = 6,188,804.51
  5. Step 5: Solve for x
    x = 6,188,804.51/2,705.63
  6. Step 6: Final answer
    x = 2,287.38

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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.