Home / 5,527.89-7,628.51-3,170.05

Finding the Fourth Proportional to 5,527.89, 7,628.51 and 3,170.05

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Solution

The fourth proportional to 5,527.89, 7,628.51 and 3,170.05 is: 4,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.89 : 7,628.51 = 3,170.05 : x
  2. Step 2: Convert to fraction form
    5,527.89/7,628.51 = 3,170.05/x
  3. Step 3: Cross multiply
    5,527.89x = 7,628.51 × 3,170.05
  4. Step 4: Simplify right side
    5,527.89x = 24,182,746.98
  5. Step 5: Solve for x
    x = 24,182,746.98/5,527.89
  6. Step 6: Final answer
    x = 4,374.68

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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.