Home / 5,241.51-7,859.55-1,543.26

Finding the Fourth Proportional to 5,241.51, 7,859.55 and 1,543.26

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Solution

The fourth proportional to 5,241.51, 7,859.55 and 1,543.26 is: 2,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.51 : 7,859.55 = 1,543.26 : x
  2. Step 2: Convert to fraction form
    5,241.51/7,859.55 = 1,543.26/x
  3. Step 3: Cross multiply
    5,241.51x = 7,859.55 × 1,543.26
  4. Step 4: Simplify right side
    5,241.51x = 12,129,329.13
  5. Step 5: Solve for x
    x = 12,129,329.13/5,241.51
  6. Step 6: Final answer
    x = 2,314.09

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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.