Home / 2,026.55-3,038.77-1,368.40

Finding the Fourth Proportional to 2,026.55, 3,038.77 and 1,368.40

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Solution

The fourth proportional to 2,026.55, 3,038.77 and 1,368.40 is: 2,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.55 : 3,038.77 = 1,368.40 : x
  2. Step 2: Convert to fraction form
    2,026.55/3,038.77 = 1,368.40/x
  3. Step 3: Cross multiply
    2,026.55x = 3,038.77 × 1,368.40
  4. Step 4: Simplify right side
    2,026.55x = 4,158,252.87
  5. Step 5: Solve for x
    x = 4,158,252.87/2,026.55
  6. Step 6: Final answer
    x = 2,051.89

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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.