Home / 4,782.72-7,126.01-4,514.14

Finding the Fourth Proportional to 4,782.72, 7,126.01 and 4,514.14

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Solution

The fourth proportional to 4,782.72, 7,126.01 and 4,514.14 is: 6,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.72 : 7,126.01 = 4,514.14 : x
  2. Step 2: Convert to fraction form
    4,782.72/7,126.01 = 4,514.14/x
  3. Step 3: Cross multiply
    4,782.72x = 7,126.01 × 4,514.14
  4. Step 4: Simplify right side
    4,782.72x = 32,167,806.78
  5. Step 5: Solve for x
    x = 32,167,806.78/4,782.72
  6. Step 6: Final answer
    x = 6,725.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.