Home / 5,480.79-7,564.05-3,357.74

Finding the Fourth Proportional to 5,480.79, 7,564.05 and 3,357.74

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Solution

The fourth proportional to 5,480.79, 7,564.05 and 3,357.74 is: 4,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.79 : 7,564.05 = 3,357.74 : x
  2. Step 2: Convert to fraction form
    5,480.79/7,564.05 = 3,357.74/x
  3. Step 3: Cross multiply
    5,480.79x = 7,564.05 × 3,357.74
  4. Step 4: Simplify right side
    5,480.79x = 25,398,113.25
  5. Step 5: Solve for x
    x = 25,398,113.25/5,480.79
  6. Step 6: Final answer
    x = 4,634.02

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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.