Home / 7,422.03-10,242.39-4,064.84

Finding the Fourth Proportional to 7,422.03, 10,242.39 and 4,064.84

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Solution

The fourth proportional to 7,422.03, 10,242.39 and 4,064.84 is: 5,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.03 : 10,242.39 = 4,064.84 : x
  2. Step 2: Convert to fraction form
    7,422.03/10,242.39 = 4,064.84/x
  3. Step 3: Cross multiply
    7,422.03x = 10,242.39 × 4,064.84
  4. Step 4: Simplify right side
    7,422.03x = 41,633,702.17
  5. Step 5: Solve for x
    x = 41,633,702.17/7,422.03
  6. Step 6: Final answer
    x = 5,609.48

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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.