Home / 4,697.80-7,038.60-2,227.30

Finding the Fourth Proportional to 4,697.80, 7,038.60 and 2,227.30

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Solution

The fourth proportional to 4,697.80, 7,038.60 and 2,227.30 is: 3,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.80 : 7,038.60 = 2,227.30 : x
  2. Step 2: Convert to fraction form
    4,697.80/7,038.60 = 2,227.30/x
  3. Step 3: Cross multiply
    4,697.80x = 7,038.60 × 2,227.30
  4. Step 4: Simplify right side
    4,697.80x = 15,677,073.78
  5. Step 5: Solve for x
    x = 15,677,073.78/4,697.80
  6. Step 6: Final answer
    x = 3,337.11

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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.