Home / 2,476.44-3,417.66-1,428.84

Finding the Fourth Proportional to 2,476.44, 3,417.66 and 1,428.84

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Solution

The fourth proportional to 2,476.44, 3,417.66 and 1,428.84 is: 1,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.44 : 3,417.66 = 1,428.84 : x
  2. Step 2: Convert to fraction form
    2,476.44/3,417.66 = 1,428.84/x
  3. Step 3: Cross multiply
    2,476.44x = 3,417.66 × 1,428.84
  4. Step 4: Simplify right side
    2,476.44x = 4,883,289.31
  5. Step 5: Solve for x
    x = 4,883,289.31/2,476.44
  6. Step 6: Final answer
    x = 1,971.90

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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.