Home / 7,511.94-10,366.65-4,155.03

Finding the Fourth Proportional to 7,511.94, 10,366.65 and 4,155.03

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Solution

The fourth proportional to 7,511.94, 10,366.65 and 4,155.03 is: 5,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.94 : 10,366.65 = 4,155.03 : x
  2. Step 2: Convert to fraction form
    7,511.94/10,366.65 = 4,155.03/x
  3. Step 3: Cross multiply
    7,511.94x = 10,366.65 × 4,155.03
  4. Step 4: Simplify right side
    7,511.94x = 43,073,741.75
  5. Step 5: Solve for x
    x = 43,073,741.75/7,511.94
  6. Step 6: Final answer
    x = 5,734.04

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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.