Home / 7,444.87-10,274.03-4,087.99

Finding the Fourth Proportional to 7,444.87, 10,274.03 and 4,087.99

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Solution

The fourth proportional to 7,444.87, 10,274.03 and 4,087.99 is: 5,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.87 : 10,274.03 = 4,087.99 : x
  2. Step 2: Convert to fraction form
    7,444.87/10,274.03 = 4,087.99/x
  3. Step 3: Cross multiply
    7,444.87x = 10,274.03 × 4,087.99
  4. Step 4: Simplify right side
    7,444.87x = 42,000,131.90
  5. Step 5: Solve for x
    x = 42,000,131.90/7,444.87
  6. Step 6: Final answer
    x = 5,641.49

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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.