Home / 7,390.76-10,195.72-5,001.57

Finding the Fourth Proportional to 7,390.76, 10,195.72 and 5,001.57

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Solution

The fourth proportional to 7,390.76, 10,195.72 and 5,001.57 is: 6,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.76 : 10,195.72 = 5,001.57 : x
  2. Step 2: Convert to fraction form
    7,390.76/10,195.72 = 5,001.57/x
  3. Step 3: Cross multiply
    7,390.76x = 10,195.72 × 5,001.57
  4. Step 4: Simplify right side
    7,390.76x = 50,994,607.28
  5. Step 5: Solve for x
    x = 50,994,607.28/7,390.76
  6. Step 6: Final answer
    x = 6,899.78

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Half scale
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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.