Home / 7,798.38-10,761.90-4,261.51

Finding the Fourth Proportional to 7,798.38, 10,761.90 and 4,261.51

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Solution

The fourth proportional to 7,798.38, 10,761.90 and 4,261.51 is: 5,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.38 : 10,761.90 = 4,261.51 : x
  2. Step 2: Convert to fraction form
    7,798.38/10,761.90 = 4,261.51/x
  3. Step 3: Cross multiply
    7,798.38x = 10,761.90 × 4,261.51
  4. Step 4: Simplify right side
    7,798.38x = 45,861,944.47
  5. Step 5: Solve for x
    x = 45,861,944.47/7,798.38
  6. Step 6: Final answer
    x = 5,880.96

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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.