Home / 1,937.60-2,675.18-1,488.68

Finding the Fourth Proportional to 1,937.60, 2,675.18 and 1,488.68

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Solution

The fourth proportional to 1,937.60, 2,675.18 and 1,488.68 is: 2,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.60 : 2,675.18 = 1,488.68 : x
  2. Step 2: Convert to fraction form
    1,937.60/2,675.18 = 1,488.68/x
  3. Step 3: Cross multiply
    1,937.60x = 2,675.18 × 1,488.68
  4. Step 4: Simplify right side
    1,937.60x = 3,982,478.97
  5. Step 5: Solve for x
    x = 3,982,478.97/1,937.60
  6. Step 6: Final answer
    x = 2,055.36

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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.