Home / 5,370.75-7,412.53-3,132.63

Finding the Fourth Proportional to 5,370.75, 7,412.53 and 3,132.63

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Solution

The fourth proportional to 5,370.75, 7,412.53 and 3,132.63 is: 4,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.75 : 7,412.53 = 3,132.63 : x
  2. Step 2: Convert to fraction form
    5,370.75/7,412.53 = 3,132.63/x
  3. Step 3: Cross multiply
    5,370.75x = 7,412.53 × 3,132.63
  4. Step 4: Simplify right side
    5,370.75x = 23,220,675.36
  5. Step 5: Solve for x
    x = 23,220,675.36/5,370.75
  6. Step 6: Final answer
    x = 4,323.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.