Home / 5,297.11-7,309.60-3,057.48

Finding the Fourth Proportional to 5,297.11, 7,309.60 and 3,057.48

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Solution

The fourth proportional to 5,297.11, 7,309.60 and 3,057.48 is: 4,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.11 : 7,309.60 = 3,057.48 : x
  2. Step 2: Convert to fraction form
    5,297.11/7,309.60 = 3,057.48/x
  3. Step 3: Cross multiply
    5,297.11x = 7,309.60 × 3,057.48
  4. Step 4: Simplify right side
    5,297.11x = 22,348,955.81
  5. Step 5: Solve for x
    x = 22,348,955.81/5,297.11
  6. Step 6: Final answer
    x = 4,219.08

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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.