Home / 7,536.51-10,400.34-4,179.30

Finding the Fourth Proportional to 7,536.51, 10,400.34 and 4,179.30

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Solution

The fourth proportional to 7,536.51, 10,400.34 and 4,179.30 is: 5,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.51 : 10,400.34 = 4,179.30 : x
  2. Step 2: Convert to fraction form
    7,536.51/10,400.34 = 4,179.30/x
  3. Step 3: Cross multiply
    7,536.51x = 10,400.34 × 4,179.30
  4. Step 4: Simplify right side
    7,536.51x = 43,466,140.96
  5. Step 5: Solve for x
    x = 43,466,140.96/7,536.51
  6. Step 6: Final answer
    x = 5,767.41

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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.