Home / 4,622.18-6,931.55-3,636.90

Finding the Fourth Proportional to 4,622.18, 6,931.55 and 3,636.90

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Solution

The fourth proportional to 4,622.18, 6,931.55 and 3,636.90 is: 5,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.18 : 6,931.55 = 3,636.90 : x
  2. Step 2: Convert to fraction form
    4,622.18/6,931.55 = 3,636.90/x
  3. Step 3: Cross multiply
    4,622.18x = 6,931.55 × 3,636.90
  4. Step 4: Simplify right side
    4,622.18x = 25,209,336.01
  5. Step 5: Solve for x
    x = 25,209,336.01/4,622.18
  6. Step 6: Final answer
    x = 5,454.00

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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.