Home / 5,374.40-8,064.71-2,254.12

Finding the Fourth Proportional to 5,374.40, 8,064.71 and 2,254.12

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Solution

The fourth proportional to 5,374.40, 8,064.71 and 2,254.12 is: 3,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.40 : 8,064.71 = 2,254.12 : x
  2. Step 2: Convert to fraction form
    5,374.40/8,064.71 = 2,254.12/x
  3. Step 3: Cross multiply
    5,374.40x = 8,064.71 × 2,254.12
  4. Step 4: Simplify right side
    5,374.40x = 18,178,840.15
  5. Step 5: Solve for x
    x = 18,178,840.15/5,374.40
  6. Step 6: Final answer
    x = 3,382.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.