Home / 6,875.25-9,488.05-3,731.64

Finding the Fourth Proportional to 6,875.25, 9,488.05 and 3,731.64

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Solution

The fourth proportional to 6,875.25, 9,488.05 and 3,731.64 is: 5,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.25 : 9,488.05 = 3,731.64 : x
  2. Step 2: Convert to fraction form
    6,875.25/9,488.05 = 3,731.64/x
  3. Step 3: Cross multiply
    6,875.25x = 9,488.05 × 3,731.64
  4. Step 4: Simplify right side
    6,875.25x = 35,405,977.57
  5. Step 5: Solve for x
    x = 35,405,977.57/6,875.25
  6. Step 6: Final answer
    x = 5,149.77

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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.