Home / 4,672.22-7,008.26-1,387.53

Finding the Fourth Proportional to 4,672.22, 7,008.26 and 1,387.53

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Solution

The fourth proportional to 4,672.22, 7,008.26 and 1,387.53 is: 2,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.22 : 7,008.26 = 1,387.53 : x
  2. Step 2: Convert to fraction form
    4,672.22/7,008.26 = 1,387.53/x
  3. Step 3: Cross multiply
    4,672.22x = 7,008.26 × 1,387.53
  4. Step 4: Simplify right side
    4,672.22x = 9,724,164.06
  5. Step 5: Solve for x
    x = 9,724,164.06/4,672.22
  6. Step 6: Final answer
    x = 2,081.27

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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.