Home / 2,272.48-3,137.57-1,740.42

Finding the Fourth Proportional to 2,272.48, 3,137.57 and 1,740.42

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Solution

The fourth proportional to 2,272.48, 3,137.57 and 1,740.42 is: 2,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.48 : 3,137.57 = 1,740.42 : x
  2. Step 2: Convert to fraction form
    2,272.48/3,137.57 = 1,740.42/x
  3. Step 3: Cross multiply
    2,272.48x = 3,137.57 × 1,740.42
  4. Step 4: Simplify right side
    2,272.48x = 5,460,689.58
  5. Step 5: Solve for x
    x = 5,460,689.58/2,272.48
  6. Step 6: Final answer
    x = 2,402.97

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1.5x scale

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.