Home / 3,143.18-4,714.99-1,063.40

Finding the Fourth Proportional to 3,143.18, 4,714.99 and 1,063.40

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Solution

The fourth proportional to 3,143.18, 4,714.99 and 1,063.40 is: 1,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.18 : 4,714.99 = 1,063.40 : x
  2. Step 2: Convert to fraction form
    3,143.18/4,714.99 = 1,063.40/x
  3. Step 3: Cross multiply
    3,143.18x = 4,714.99 × 1,063.40
  4. Step 4: Simplify right side
    3,143.18x = 5,013,926.64
  5. Step 5: Solve for x
    x = 5,013,926.64/3,143.18
  6. Step 6: Final answer
    x = 1,595.18

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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.