Home / 1,708.24-2,357.08-1,009.84

Finding the Fourth Proportional to 1,708.24, 2,357.08 and 1,009.84

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Solution

The fourth proportional to 1,708.24, 2,357.08 and 1,009.84 is: 1,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.24 : 2,357.08 = 1,009.84 : x
  2. Step 2: Convert to fraction form
    1,708.24/2,357.08 = 1,009.84/x
  3. Step 3: Cross multiply
    1,708.24x = 2,357.08 × 1,009.84
  4. Step 4: Simplify right side
    1,708.24x = 2,380,273.67
  5. Step 5: Solve for x
    x = 2,380,273.67/1,708.24
  6. Step 6: Final answer
    x = 1,393.41

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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.