Home / 5,225.55-7,210.18-3,100.15

Finding the Fourth Proportional to 5,225.55, 7,210.18 and 3,100.15

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Solution

The fourth proportional to 5,225.55, 7,210.18 and 3,100.15 is: 4,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.55 : 7,210.18 = 3,100.15 : x
  2. Step 2: Convert to fraction form
    5,225.55/7,210.18 = 3,100.15/x
  3. Step 3: Cross multiply
    5,225.55x = 7,210.18 × 3,100.15
  4. Step 4: Simplify right side
    5,225.55x = 22,352,611.86
  5. Step 5: Solve for x
    x = 22,352,611.86/5,225.55
  6. Step 6: Final answer
    x = 4,277.56

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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.