Home / 7,458.11-10,292.36-4,100.71

Finding the Fourth Proportional to 7,458.11, 10,292.36 and 4,100.71

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Solution

The fourth proportional to 7,458.11, 10,292.36 and 4,100.71 is: 5,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.11 : 10,292.36 = 4,100.71 : x
  2. Step 2: Convert to fraction form
    7,458.11/10,292.36 = 4,100.71/x
  3. Step 3: Cross multiply
    7,458.11x = 10,292.36 × 4,100.71
  4. Step 4: Simplify right side
    7,458.11x = 42,205,983.58
  5. Step 5: Solve for x
    x = 42,205,983.58/7,458.11
  6. Step 6: Final answer
    x = 5,659.07

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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.