Home / 5,387.94-7,426.35-4,263.66

Finding the Fourth Proportional to 5,387.94, 7,426.35 and 4,263.66

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Solution

The fourth proportional to 5,387.94, 7,426.35 and 4,263.66 is: 5,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.94 : 7,426.35 = 4,263.66 : x
  2. Step 2: Convert to fraction form
    5,387.94/7,426.35 = 4,263.66/x
  3. Step 3: Cross multiply
    5,387.94x = 7,426.35 × 4,263.66
  4. Step 4: Simplify right side
    5,387.94x = 31,663,431.44
  5. Step 5: Solve for x
    x = 31,663,431.44/5,387.94
  6. Step 6: Final answer
    x = 5,876.72

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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.