Home / 5,579.93-7,685.51-4,159.07

Finding the Fourth Proportional to 5,579.93, 7,685.51 and 4,159.07

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Solution

The fourth proportional to 5,579.93, 7,685.51 and 4,159.07 is: 5,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.93 : 7,685.51 = 4,159.07 : x
  2. Step 2: Convert to fraction form
    5,579.93/7,685.51 = 4,159.07/x
  3. Step 3: Cross multiply
    5,579.93x = 7,685.51 × 4,159.07
  4. Step 4: Simplify right side
    5,579.93x = 31,964,514.85
  5. Step 5: Solve for x
    x = 31,964,514.85/5,579.93
  6. Step 6: Final answer
    x = 5,728.48

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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.