Home / 4,813.39-6,645.54-3,931.30

Finding the Fourth Proportional to 4,813.39, 6,645.54 and 3,931.30

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Solution

The fourth proportional to 4,813.39, 6,645.54 and 3,931.30 is: 5,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.39 : 6,645.54 = 3,931.30 : x
  2. Step 2: Convert to fraction form
    4,813.39/6,645.54 = 3,931.30/x
  3. Step 3: Cross multiply
    4,813.39x = 6,645.54 × 3,931.30
  4. Step 4: Simplify right side
    4,813.39x = 26,125,611.40
  5. Step 5: Solve for x
    x = 26,125,611.40/4,813.39
  6. Step 6: Final answer
    x = 5,427.69

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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.