Home / 4,680.52-7,020.80-1,217.52

Finding the Fourth Proportional to 4,680.52, 7,020.80 and 1,217.52

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Solution

The fourth proportional to 4,680.52, 7,020.80 and 1,217.52 is: 1,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.52 : 7,020.80 = 1,217.52 : x
  2. Step 2: Convert to fraction form
    4,680.52/7,020.80 = 1,217.52/x
  3. Step 3: Cross multiply
    4,680.52x = 7,020.80 × 1,217.52
  4. Step 4: Simplify right side
    4,680.52x = 8,547,964.42
  5. Step 5: Solve for x
    x = 8,547,964.42/4,680.52
  6. Step 6: Final answer
    x = 1,826.29

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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.