Home / 1,708.96-2,357.56-1,236.10

Finding the Fourth Proportional to 1,708.96, 2,357.56 and 1,236.10

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Solution

The fourth proportional to 1,708.96, 2,357.56 and 1,236.10 is: 1,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.96 : 2,357.56 = 1,236.10 : x
  2. Step 2: Convert to fraction form
    1,708.96/2,357.56 = 1,236.10/x
  3. Step 3: Cross multiply
    1,708.96x = 2,357.56 × 1,236.10
  4. Step 4: Simplify right side
    1,708.96x = 2,914,179.92
  5. Step 5: Solve for x
    x = 2,914,179.92/1,708.96
  6. Step 6: Final answer
    x = 1,705.24

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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.