Home / 2,885.12-4,328.45-1,036.43

Finding the Fourth Proportional to 2,885.12, 4,328.45 and 1,036.43

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Solution

The fourth proportional to 2,885.12, 4,328.45 and 1,036.43 is: 1,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.12 : 4,328.45 = 1,036.43 : x
  2. Step 2: Convert to fraction form
    2,885.12/4,328.45 = 1,036.43/x
  3. Step 3: Cross multiply
    2,885.12x = 4,328.45 × 1,036.43
  4. Step 4: Simplify right side
    2,885.12x = 4,486,135.43
  5. Step 5: Solve for x
    x = 4,486,135.43/2,885.12
  6. Step 6: Final answer
    x = 1,554.92

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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.