Home / 6,140.10-8,473.10-3,622.35

Finding the Fourth Proportional to 6,140.10, 8,473.10 and 3,622.35

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Solution

The fourth proportional to 6,140.10, 8,473.10 and 3,622.35 is: 4,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.10 : 8,473.10 = 3,622.35 : x
  2. Step 2: Convert to fraction form
    6,140.10/8,473.10 = 3,622.35/x
  3. Step 3: Cross multiply
    6,140.10x = 8,473.10 × 3,622.35
  4. Step 4: Simplify right side
    6,140.10x = 30,692,515.67
  5. Step 5: Solve for x
    x = 30,692,515.67/6,140.10
  6. Step 6: Final answer
    x = 4,998.70

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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.