Home / 5,470.41-7,548.90-3,080.40

Finding the Fourth Proportional to 5,470.41, 7,548.90 and 3,080.40

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Solution

The fourth proportional to 5,470.41, 7,548.90 and 3,080.40 is: 4,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.41 : 7,548.90 = 3,080.40 : x
  2. Step 2: Convert to fraction form
    5,470.41/7,548.90 = 3,080.40/x
  3. Step 3: Cross multiply
    5,470.41x = 7,548.90 × 3,080.40
  4. Step 4: Simplify right side
    5,470.41x = 23,253,631.56
  5. Step 5: Solve for x
    x = 23,253,631.56/5,470.41
  6. Step 6: Final answer
    x = 4,250.80

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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.