Home / 2,476.76-3,418.98-1,637.84

Finding the Fourth Proportional to 2,476.76, 3,418.98 and 1,637.84

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Solution

The fourth proportional to 2,476.76, 3,418.98 and 1,637.84 is: 2,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.76 : 3,418.98 = 1,637.84 : x
  2. Step 2: Convert to fraction form
    2,476.76/3,418.98 = 1,637.84/x
  3. Step 3: Cross multiply
    2,476.76x = 3,418.98 × 1,637.84
  4. Step 4: Simplify right side
    2,476.76x = 5,599,742.20
  5. Step 5: Solve for x
    x = 5,599,742.20/2,476.76
  6. Step 6: Final answer
    x = 2,260.91

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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.