Home / 7,331.07-10,116.90-3,973.86

Finding the Fourth Proportional to 7,331.07, 10,116.90 and 3,973.86

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Solution

The fourth proportional to 7,331.07, 10,116.90 and 3,973.86 is: 5,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.07 : 10,116.90 = 3,973.86 : x
  2. Step 2: Convert to fraction form
    7,331.07/10,116.90 = 3,973.86/x
  3. Step 3: Cross multiply
    7,331.07x = 10,116.90 × 3,973.86
  4. Step 4: Simplify right side
    7,331.07x = 40,203,144.23
  5. Step 5: Solve for x
    x = 40,203,144.23/7,331.07
  6. Step 6: Final answer
    x = 5,483.94

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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.