Home / 2,026.90-3,040.60-916.14

Finding the Fourth Proportional to 2,026.90, 3,040.60 and 916.14

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Solution

The fourth proportional to 2,026.90, 3,040.60 and 916.14 is: 1,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.90 : 3,040.60 = 916.14 : x
  2. Step 2: Convert to fraction form
    2,026.90/3,040.60 = 916.14/x
  3. Step 3: Cross multiply
    2,026.90x = 3,040.60 × 916.14
  4. Step 4: Simplify right side
    2,026.90x = 2,785,615.28
  5. Step 5: Solve for x
    x = 2,785,615.28/2,026.90
  6. Step 6: Final answer
    x = 1,374.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.