Home / 5,438.39-7,505.51-3,048.77

Finding the Fourth Proportional to 5,438.39, 7,505.51 and 3,048.77

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Solution

The fourth proportional to 5,438.39, 7,505.51 and 3,048.77 is: 4,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.39 : 7,505.51 = 3,048.77 : x
  2. Step 2: Convert to fraction form
    5,438.39/7,505.51 = 3,048.77/x
  3. Step 3: Cross multiply
    5,438.39x = 7,505.51 × 3,048.77
  4. Step 4: Simplify right side
    5,438.39x = 22,882,573.72
  5. Step 5: Solve for x
    x = 22,882,573.72/5,438.39
  6. Step 6: Final answer
    x = 4,207.60

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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.