Home / 4,902.20-7,353.30-4,837.40

Finding the Fourth Proportional to 4,902.20, 7,353.30 and 4,837.40

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Solution

The fourth proportional to 4,902.20, 7,353.30 and 4,837.40 is: 7,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.20 : 7,353.30 = 4,837.40 : x
  2. Step 2: Convert to fraction form
    4,902.20/7,353.30 = 4,837.40/x
  3. Step 3: Cross multiply
    4,902.20x = 7,353.30 × 4,837.40
  4. Step 4: Simplify right side
    4,902.20x = 35,570,853.42
  5. Step 5: Solve for x
    x = 35,570,853.42/4,902.20
  6. Step 6: Final answer
    x = 7,256.10

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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.