Home / 1,202.51-1,657.46-1,097.96

Finding the Fourth Proportional to 1,202.51, 1,657.46 and 1,097.96

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Solution

The fourth proportional to 1,202.51, 1,657.46 and 1,097.96 is: 1,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.51 : 1,657.46 = 1,097.96 : x
  2. Step 2: Convert to fraction form
    1,202.51/1,657.46 = 1,097.96/x
  3. Step 3: Cross multiply
    1,202.51x = 1,657.46 × 1,097.96
  4. Step 4: Simplify right side
    1,202.51x = 1,819,819.24
  5. Step 5: Solve for x
    x = 1,819,819.24/1,202.51
  6. Step 6: Final answer
    x = 1,513.35

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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.