Home / 5,056.16-7,578.27-2,279.57

Finding the Fourth Proportional to 5,056.16, 7,578.27 and 2,279.57

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Solution

The fourth proportional to 5,056.16, 7,578.27 and 2,279.57 is: 3,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.16 : 7,578.27 = 2,279.57 : x
  2. Step 2: Convert to fraction form
    5,056.16/7,578.27 = 2,279.57/x
  3. Step 3: Cross multiply
    5,056.16x = 7,578.27 × 2,279.57
  4. Step 4: Simplify right side
    5,056.16x = 17,275,159.05
  5. Step 5: Solve for x
    x = 17,275,159.05/5,056.16
  6. Step 6: Final answer
    x = 3,416.66

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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.