Home / 7,255.13-10,008.39-4,738.72

Finding the Fourth Proportional to 7,255.13, 10,008.39 and 4,738.72

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Solution

The fourth proportional to 7,255.13, 10,008.39 and 4,738.72 is: 6,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.13 : 10,008.39 = 4,738.72 : x
  2. Step 2: Convert to fraction form
    7,255.13/10,008.39 = 4,738.72/x
  3. Step 3: Cross multiply
    7,255.13x = 10,008.39 × 4,738.72
  4. Step 4: Simplify right side
    7,255.13x = 47,426,944.69
  5. Step 5: Solve for x
    x = 47,426,944.69/7,255.13
  6. Step 6: Final answer
    x = 6,537.02

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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.