Home / 4,714.10-7,071.51-2,117.30

Finding the Fourth Proportional to 4,714.10, 7,071.51 and 2,117.30

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Solution

The fourth proportional to 4,714.10, 7,071.51 and 2,117.30 is: 3,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.10 : 7,071.51 = 2,117.30 : x
  2. Step 2: Convert to fraction form
    4,714.10/7,071.51 = 2,117.30/x
  3. Step 3: Cross multiply
    4,714.10x = 7,071.51 × 2,117.30
  4. Step 4: Simplify right side
    4,714.10x = 14,972,508.12
  5. Step 5: Solve for x
    x = 14,972,508.12/4,714.10
  6. Step 6: Final answer
    x = 3,176.11

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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.