Home / 5,678.10-8,514.55-3,045.20

Finding the Fourth Proportional to 5,678.10, 8,514.55 and 3,045.20

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Solution

The fourth proportional to 5,678.10, 8,514.55 and 3,045.20 is: 4,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.10 : 8,514.55 = 3,045.20 : x
  2. Step 2: Convert to fraction form
    5,678.10/8,514.55 = 3,045.20/x
  3. Step 3: Cross multiply
    5,678.10x = 8,514.55 × 3,045.20
  4. Step 4: Simplify right side
    5,678.10x = 25,928,507.66
  5. Step 5: Solve for x
    x = 25,928,507.66/5,678.10
  6. Step 6: Final answer
    x = 4,566.41

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1.5x scale

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.