Home / 2,193.09-3,026.16-1,248.58

Finding the Fourth Proportional to 2,193.09, 3,026.16 and 1,248.58

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Solution

The fourth proportional to 2,193.09, 3,026.16 and 1,248.58 is: 1,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.09 : 3,026.16 = 1,248.58 : x
  2. Step 2: Convert to fraction form
    2,193.09/3,026.16 = 1,248.58/x
  3. Step 3: Cross multiply
    2,193.09x = 3,026.16 × 1,248.58
  4. Step 4: Simplify right side
    2,193.09x = 3,778,406.64
  5. Step 5: Solve for x
    x = 3,778,406.64/2,193.09
  6. Step 6: Final answer
    x = 1,722.87

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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.