Home / 7,547.22-10,414.70-4,189.83

Finding the Fourth Proportional to 7,547.22, 10,414.70 and 4,189.83

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Solution

The fourth proportional to 7,547.22, 10,414.70 and 4,189.83 is: 5,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.22 : 10,414.70 = 4,189.83 : x
  2. Step 2: Convert to fraction form
    7,547.22/10,414.70 = 4,189.83/x
  3. Step 3: Cross multiply
    7,547.22x = 10,414.70 × 4,189.83
  4. Step 4: Simplify right side
    7,547.22x = 43,635,822.50
  5. Step 5: Solve for x
    x = 43,635,822.50/7,547.22
  6. Step 6: Final answer
    x = 5,781.71

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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.