Home / 7,547.82-10,416.25-4,190.68

Finding the Fourth Proportional to 7,547.82, 10,416.25 and 4,190.68

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Solution

The fourth proportional to 7,547.82, 10,416.25 and 4,190.68 is: 5,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.82 : 10,416.25 = 4,190.68 : x
  2. Step 2: Convert to fraction form
    7,547.82/10,416.25 = 4,190.68/x
  3. Step 3: Cross multiply
    7,547.82x = 10,416.25 × 4,190.68
  4. Step 4: Simplify right side
    7,547.82x = 43,651,170.55
  5. Step 5: Solve for x
    x = 43,651,170.55/7,547.82
  6. Step 6: Final answer
    x = 5,783.28

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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.