Home / 7,407.45-10,219.35-4,261.95

Finding the Fourth Proportional to 7,407.45, 10,219.35 and 4,261.95

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Solution

The fourth proportional to 7,407.45, 10,219.35 and 4,261.95 is: 5,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.45 : 10,219.35 = 4,261.95 : x
  2. Step 2: Convert to fraction form
    7,407.45/10,219.35 = 4,261.95/x
  3. Step 3: Cross multiply
    7,407.45x = 10,219.35 × 4,261.95
  4. Step 4: Simplify right side
    7,407.45x = 43,554,358.73
  5. Step 5: Solve for x
    x = 43,554,358.73/7,407.45
  6. Step 6: Final answer
    x = 5,879.80

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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.