Home / 4,904.60-7,356.90-4,098.20

Finding the Fourth Proportional to 4,904.60, 7,356.90 and 4,098.20

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Solution

The fourth proportional to 4,904.60, 7,356.90 and 4,098.20 is: 6,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.60 : 7,356.90 = 4,098.20 : x
  2. Step 2: Convert to fraction form
    4,904.60/7,356.90 = 4,098.20/x
  3. Step 3: Cross multiply
    4,904.60x = 7,356.90 × 4,098.20
  4. Step 4: Simplify right side
    4,904.60x = 30,150,047.58
  5. Step 5: Solve for x
    x = 30,150,047.58/4,904.60
  6. Step 6: Final answer
    x = 6,147.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.