Home / 1,702.19-2,349.27-1,039.42

Finding the Fourth Proportional to 1,702.19, 2,349.27 and 1,039.42

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Solution

The fourth proportional to 1,702.19, 2,349.27 and 1,039.42 is: 1,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.19 : 2,349.27 = 1,039.42 : x
  2. Step 2: Convert to fraction form
    1,702.19/2,349.27 = 1,039.42/x
  3. Step 3: Cross multiply
    1,702.19x = 2,349.27 × 1,039.42
  4. Step 4: Simplify right side
    1,702.19x = 2,441,878.22
  5. Step 5: Solve for x
    x = 2,441,878.22/1,702.19
  6. Step 6: Final answer
    x = 1,434.56

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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.