Home / 5,860.79-8,089.35-3,975.53

Finding the Fourth Proportional to 5,860.79, 8,089.35 and 3,975.53

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Solution

The fourth proportional to 5,860.79, 8,089.35 and 3,975.53 is: 5,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.79 : 8,089.35 = 3,975.53 : x
  2. Step 2: Convert to fraction form
    5,860.79/8,089.35 = 3,975.53/x
  3. Step 3: Cross multiply
    5,860.79x = 8,089.35 × 3,975.53
  4. Step 4: Simplify right side
    5,860.79x = 32,159,453.61
  5. Step 5: Solve for x
    x = 32,159,453.61/5,860.79
  6. Step 6: Final answer
    x = 5,487.22

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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.