Home / 7,430.75-10,254.44-4,446.71

Finding the Fourth Proportional to 7,430.75, 10,254.44 and 4,446.71

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Solution

The fourth proportional to 7,430.75, 10,254.44 and 4,446.71 is: 6,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.75 : 10,254.44 = 4,446.71 : x
  2. Step 2: Convert to fraction form
    7,430.75/10,254.44 = 4,446.71/x
  3. Step 3: Cross multiply
    7,430.75x = 10,254.44 × 4,446.71
  4. Step 4: Simplify right side
    7,430.75x = 45,598,520.89
  5. Step 5: Solve for x
    x = 45,598,520.89/7,430.75
  6. Step 6: Final answer
    x = 6,136.46

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Half scale
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Double scale
Find fourth proportional to 7,431.75, 10,255.82 and 4,447.71
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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.