Home / 5,420.46-7,480.18-3,062.58

Finding the Fourth Proportional to 5,420.46, 7,480.18 and 3,062.58

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Solution

The fourth proportional to 5,420.46, 7,480.18 and 3,062.58 is: 4,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.46 : 7,480.18 = 3,062.58 : x
  2. Step 2: Convert to fraction form
    5,420.46/7,480.18 = 3,062.58/x
  3. Step 3: Cross multiply
    5,420.46x = 7,480.18 × 3,062.58
  4. Step 4: Simplify right side
    5,420.46x = 22,908,649.66
  5. Step 5: Solve for x
    x = 22,908,649.66/5,420.46
  6. Step 6: Final answer
    x = 4,226.33

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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.