Home / 7,397.46-10,208.40-4,040.34

Finding the Fourth Proportional to 7,397.46, 10,208.40 and 4,040.34

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Solution

The fourth proportional to 7,397.46, 10,208.40 and 4,040.34 is: 5,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.46 : 10,208.40 = 4,040.34 : x
  2. Step 2: Convert to fraction form
    7,397.46/10,208.40 = 4,040.34/x
  3. Step 3: Cross multiply
    7,397.46x = 10,208.40 × 4,040.34
  4. Step 4: Simplify right side
    7,397.46x = 41,245,406.86
  5. Step 5: Solve for x
    x = 41,245,406.86/7,397.46
  6. Step 6: Final answer
    x = 5,575.62

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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.