Home / 7,250.45-10,005.15-4,265.71

Finding the Fourth Proportional to 7,250.45, 10,005.15 and 4,265.71

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Solution

The fourth proportional to 7,250.45, 10,005.15 and 4,265.71 is: 5,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.45 : 10,005.15 = 4,265.71 : x
  2. Step 2: Convert to fraction form
    7,250.45/10,005.15 = 4,265.71/x
  3. Step 3: Cross multiply
    7,250.45x = 10,005.15 × 4,265.71
  4. Step 4: Simplify right side
    7,250.45x = 42,679,022.07
  5. Step 5: Solve for x
    x = 42,679,022.07/7,250.45
  6. Step 6: Final answer
    x = 5,886.39

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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.