Home / 6,604.28-9,113.98-3,620.40

Finding the Fourth Proportional to 6,604.28, 9,113.98 and 3,620.40

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Solution

The fourth proportional to 6,604.28, 9,113.98 and 3,620.40 is: 4,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.28 : 9,113.98 = 3,620.40 : x
  2. Step 2: Convert to fraction form
    6,604.28/9,113.98 = 3,620.40/x
  3. Step 3: Cross multiply
    6,604.28x = 9,113.98 × 3,620.40
  4. Step 4: Simplify right side
    6,604.28x = 32,996,253.19
  5. Step 5: Solve for x
    x = 32,996,253.19/6,604.28
  6. Step 6: Final answer
    x = 4,996.19

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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.