Home / 5,074.79-7,608.53-2,151.50

Finding the Fourth Proportional to 5,074.79, 7,608.53 and 2,151.50

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Solution

The fourth proportional to 5,074.79, 7,608.53 and 2,151.50 is: 3,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.79 : 7,608.53 = 2,151.50 : x
  2. Step 2: Convert to fraction form
    5,074.79/7,608.53 = 2,151.50/x
  3. Step 3: Cross multiply
    5,074.79x = 7,608.53 × 2,151.50
  4. Step 4: Simplify right side
    5,074.79x = 16,369,719.63
  5. Step 5: Solve for x
    x = 16,369,719.63/5,074.79
  6. Step 6: Final answer
    x = 3,225.70

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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.