Home / 7,265.43-10,026.15-4,078.77

Finding the Fourth Proportional to 7,265.43, 10,026.15 and 4,078.77

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Solution

The fourth proportional to 7,265.43, 10,026.15 and 4,078.77 is: 5,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.43 : 10,026.15 = 4,078.77 : x
  2. Step 2: Convert to fraction form
    7,265.43/10,026.15 = 4,078.77/x
  3. Step 3: Cross multiply
    7,265.43x = 10,026.15 × 4,078.77
  4. Step 4: Simplify right side
    7,265.43x = 40,894,359.84
  5. Step 5: Solve for x
    x = 40,894,359.84/7,265.43
  6. Step 6: Final answer
    x = 5,628.62

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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.