Home / 5,775.59-7,970.85-3,418.08

Finding the Fourth Proportional to 5,775.59, 7,970.85 and 3,418.08

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Solution

The fourth proportional to 5,775.59, 7,970.85 and 3,418.08 is: 4,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.59 : 7,970.85 = 3,418.08 : x
  2. Step 2: Convert to fraction form
    5,775.59/7,970.85 = 3,418.08/x
  3. Step 3: Cross multiply
    5,775.59x = 7,970.85 × 3,418.08
  4. Step 4: Simplify right side
    5,775.59x = 27,245,002.97
  5. Step 5: Solve for x
    x = 27,245,002.97/5,775.59
  6. Step 6: Final answer
    x = 4,717.27

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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.