Home / 7,397.82-10,208.79-4,040.46

Finding the Fourth Proportional to 7,397.82, 10,208.79 and 4,040.46

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Solution

The fourth proportional to 7,397.82, 10,208.79 and 4,040.46 is: 5,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.82 : 10,208.79 = 4,040.46 : x
  2. Step 2: Convert to fraction form
    7,397.82/10,208.79 = 4,040.46/x
  3. Step 3: Cross multiply
    7,397.82x = 10,208.79 × 4,040.46
  4. Step 4: Simplify right side
    7,397.82x = 41,248,207.64
  5. Step 5: Solve for x
    x = 41,248,207.64/7,397.82
  6. Step 6: Final answer
    x = 5,575.72

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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.