Home / 7,390.41-11,085.62-4,310.25

Finding the Fourth Proportional to 7,390.41, 11,085.62 and 4,310.25

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Solution

The fourth proportional to 7,390.41, 11,085.62 and 4,310.25 is: 6,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.41 : 11,085.62 = 4,310.25 : x
  2. Step 2: Convert to fraction form
    7,390.41/11,085.62 = 4,310.25/x
  3. Step 3: Cross multiply
    7,390.41x = 11,085.62 × 4,310.25
  4. Step 4: Simplify right side
    7,390.41x = 47,781,772.05
  5. Step 5: Solve for x
    x = 47,781,772.05/7,390.41
  6. Step 6: Final answer
    x = 6,465.38

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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.