Home / 6,248.81-8,622.61-3,730.46

Finding the Fourth Proportional to 6,248.81, 8,622.61 and 3,730.46

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Solution

The fourth proportional to 6,248.81, 8,622.61 and 3,730.46 is: 5,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.81 : 8,622.61 = 3,730.46 : x
  2. Step 2: Convert to fraction form
    6,248.81/8,622.61 = 3,730.46/x
  3. Step 3: Cross multiply
    6,248.81x = 8,622.61 × 3,730.46
  4. Step 4: Simplify right side
    6,248.81x = 32,166,249.26
  5. Step 5: Solve for x
    x = 32,166,249.26/6,248.81
  6. Step 6: Final answer
    x = 5,147.58

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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.