Home / 7,513.26-10,368.21-4,155.81

Finding the Fourth Proportional to 7,513.26, 10,368.21 and 4,155.81

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Solution

The fourth proportional to 7,513.26, 10,368.21 and 4,155.81 is: 5,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.26 : 10,368.21 = 4,155.81 : x
  2. Step 2: Convert to fraction form
    7,513.26/10,368.21 = 4,155.81/x
  3. Step 3: Cross multiply
    7,513.26x = 10,368.21 × 4,155.81
  4. Step 4: Simplify right side
    7,513.26x = 43,088,310.80
  5. Step 5: Solve for x
    x = 43,088,310.80/7,513.26
  6. Step 6: Final answer
    x = 5,734.97

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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.