Home / 5,087.88-7,632.18-3,242.70

Finding the Fourth Proportional to 5,087.88, 7,632.18 and 3,242.70

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Solution

The fourth proportional to 5,087.88, 7,632.18 and 3,242.70 is: 4,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.88 : 7,632.18 = 3,242.70 : x
  2. Step 2: Convert to fraction form
    5,087.88/7,632.18 = 3,242.70/x
  3. Step 3: Cross multiply
    5,087.88x = 7,632.18 × 3,242.70
  4. Step 4: Simplify right side
    5,087.88x = 24,748,870.09
  5. Step 5: Solve for x
    x = 24,748,870.09/5,087.88
  6. Step 6: Final answer
    x = 4,864.28

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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.