Home / 5,422.63-7,480.34-3,298.81

Finding the Fourth Proportional to 5,422.63, 7,480.34 and 3,298.81

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Solution

The fourth proportional to 5,422.63, 7,480.34 and 3,298.81 is: 4,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.63 : 7,480.34 = 3,298.81 : x
  2. Step 2: Convert to fraction form
    5,422.63/7,480.34 = 3,298.81/x
  3. Step 3: Cross multiply
    5,422.63x = 7,480.34 × 3,298.81
  4. Step 4: Simplify right side
    5,422.63x = 24,676,220.40
  5. Step 5: Solve for x
    x = 24,676,220.40/5,422.63
  6. Step 6: Final answer
    x = 4,550.60

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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.