Home / 1,708.10-2,355.29-1,235.06

Finding the Fourth Proportional to 1,708.10, 2,355.29 and 1,235.06

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Solution

The fourth proportional to 1,708.10, 2,355.29 and 1,235.06 is: 1,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.10 : 2,355.29 = 1,235.06 : x
  2. Step 2: Convert to fraction form
    1,708.10/2,355.29 = 1,235.06/x
  3. Step 3: Cross multiply
    1,708.10x = 2,355.29 × 1,235.06
  4. Step 4: Simplify right side
    1,708.10x = 2,908,912.69
  5. Step 5: Solve for x
    x = 2,908,912.69/1,708.10
  6. Step 6: Final answer
    x = 1,703.02

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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.