Home / 7,397.75-10,208.84-4,040.57

Finding the Fourth Proportional to 7,397.75, 10,208.84 and 4,040.57

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Solution

The fourth proportional to 7,397.75, 10,208.84 and 4,040.57 is: 5,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.75 : 10,208.84 = 4,040.57 : x
  2. Step 2: Convert to fraction form
    7,397.75/10,208.84 = 4,040.57/x
  3. Step 3: Cross multiply
    7,397.75x = 10,208.84 × 4,040.57
  4. Step 4: Simplify right side
    7,397.75x = 41,249,496.75
  5. Step 5: Solve for x
    x = 41,249,496.75/7,397.75
  6. Step 6: Final answer
    x = 5,575.95

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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.