Home / 7,029.40-9,708.74-4,667.44

Finding the Fourth Proportional to 7,029.40, 9,708.74 and 4,667.44

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Solution

The fourth proportional to 7,029.40, 9,708.74 and 4,667.44 is: 6,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.40 : 9,708.74 = 4,667.44 : x
  2. Step 2: Convert to fraction form
    7,029.40/9,708.74 = 4,667.44/x
  3. Step 3: Cross multiply
    7,029.40x = 9,708.74 × 4,667.44
  4. Step 4: Simplify right side
    7,029.40x = 45,314,961.43
  5. Step 5: Solve for x
    x = 45,314,961.43/7,029.40
  6. Step 6: Final answer
    x = 6,446.49

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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.