Home / 7,444.88-10,274.13-4,087.91

Finding the Fourth Proportional to 7,444.88, 10,274.13 and 4,087.91

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Solution

The fourth proportional to 7,444.88, 10,274.13 and 4,087.91 is: 5,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.88 : 10,274.13 = 4,087.91 : x
  2. Step 2: Convert to fraction form
    7,444.88/10,274.13 = 4,087.91/x
  3. Step 3: Cross multiply
    7,444.88x = 10,274.13 × 4,087.91
  4. Step 4: Simplify right side
    7,444.88x = 41,999,718.77
  5. Step 5: Solve for x
    x = 41,999,718.77/7,444.88
  6. Step 6: Final answer
    x = 5,641.42

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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.