Home / 5,729.88-7,903.40-3,740.93

Finding the Fourth Proportional to 5,729.88, 7,903.40 and 3,740.93

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Solution

The fourth proportional to 5,729.88, 7,903.40 and 3,740.93 is: 5,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.88 : 7,903.40 = 3,740.93 : x
  2. Step 2: Convert to fraction form
    5,729.88/7,903.40 = 3,740.93/x
  3. Step 3: Cross multiply
    5,729.88x = 7,903.40 × 3,740.93
  4. Step 4: Simplify right side
    5,729.88x = 29,566,007.94
  5. Step 5: Solve for x
    x = 29,566,007.94/5,729.88
  6. Step 6: Final answer
    x = 5,159.97

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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.