Home / 2,402.41-3,315.28-1,354.48

Finding the Fourth Proportional to 2,402.41, 3,315.28 and 1,354.48

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Solution

The fourth proportional to 2,402.41, 3,315.28 and 1,354.48 is: 1,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.41 : 3,315.28 = 1,354.48 : x
  2. Step 2: Convert to fraction form
    2,402.41/3,315.28 = 1,354.48/x
  3. Step 3: Cross multiply
    2,402.41x = 3,315.28 × 1,354.48
  4. Step 4: Simplify right side
    2,402.41x = 4,490,480.45
  5. Step 5: Solve for x
    x = 4,490,480.45/2,402.41
  6. Step 6: Final answer
    x = 1,869.16

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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.