Home / 5,054.24-7,580.16-2,279.20

Finding the Fourth Proportional to 5,054.24, 7,580.16 and 2,279.20

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Solution

The fourth proportional to 5,054.24, 7,580.16 and 2,279.20 is: 3,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.24 : 7,580.16 = 2,279.20 : x
  2. Step 2: Convert to fraction form
    5,054.24/7,580.16 = 2,279.20/x
  3. Step 3: Cross multiply
    5,054.24x = 7,580.16 × 2,279.20
  4. Step 4: Simplify right side
    5,054.24x = 17,276,700.67
  5. Step 5: Solve for x
    x = 17,276,700.67/5,054.24
  6. Step 6: Final answer
    x = 3,418.26

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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.