Home / 5,377.64-8,020.46-4,723.80

Finding the Fourth Proportional to 5,377.64, 8,020.46 and 4,723.80

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Solution

The fourth proportional to 5,377.64, 8,020.46 and 4,723.80 is: 7,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.64 : 8,020.46 = 4,723.80 : x
  2. Step 2: Convert to fraction form
    5,377.64/8,020.46 = 4,723.80/x
  3. Step 3: Cross multiply
    5,377.64x = 8,020.46 × 4,723.80
  4. Step 4: Simplify right side
    5,377.64x = 37,887,025.33
  5. Step 5: Solve for x
    x = 37,887,025.33/5,377.64
  6. Step 6: Final answer
    x = 7,045.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.