Home / 7,322.95-10,103.20-4,135.80

Finding the Fourth Proportional to 7,322.95, 10,103.20 and 4,135.80

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Solution

The fourth proportional to 7,322.95, 10,103.20 and 4,135.80 is: 5,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.95 : 10,103.20 = 4,135.80 : x
  2. Step 2: Convert to fraction form
    7,322.95/10,103.20 = 4,135.80/x
  3. Step 3: Cross multiply
    7,322.95x = 10,103.20 × 4,135.80
  4. Step 4: Simplify right side
    7,322.95x = 41,784,814.56
  5. Step 5: Solve for x
    x = 41,784,814.56/7,322.95
  6. Step 6: Final answer
    x = 5,706.01

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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.