Home / 4,700.75-7,051.28-1,779.26

Finding the Fourth Proportional to 4,700.75, 7,051.28 and 1,779.26

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Solution

The fourth proportional to 4,700.75, 7,051.28 and 1,779.26 is: 2,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.75 : 7,051.28 = 1,779.26 : x
  2. Step 2: Convert to fraction form
    4,700.75/7,051.28 = 1,779.26/x
  3. Step 3: Cross multiply
    4,700.75x = 7,051.28 × 1,779.26
  4. Step 4: Simplify right side
    4,700.75x = 12,546,016.30
  5. Step 5: Solve for x
    x = 12,546,016.30/4,700.75
  6. Step 6: Final answer
    x = 2,668.94

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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.