Home / 7,504.05-10,354.70-4,146.66

Finding the Fourth Proportional to 7,504.05, 10,354.70 and 4,146.66

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Solution

The fourth proportional to 7,504.05, 10,354.70 and 4,146.66 is: 5,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.05 : 10,354.70 = 4,146.66 : x
  2. Step 2: Convert to fraction form
    7,504.05/10,354.70 = 4,146.66/x
  3. Step 3: Cross multiply
    7,504.05x = 10,354.70 × 4,146.66
  4. Step 4: Simplify right side
    7,504.05x = 42,937,399.57
  5. Step 5: Solve for x
    x = 42,937,399.57/7,504.05
  6. Step 6: Final answer
    x = 5,721.90

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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.