Home / 5,617.96-7,756.09-4,995.14

Finding the Fourth Proportional to 5,617.96, 7,756.09 and 4,995.14

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Solution

The fourth proportional to 5,617.96, 7,756.09 and 4,995.14 is: 6,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.96 : 7,756.09 = 4,995.14 : x
  2. Step 2: Convert to fraction form
    5,617.96/7,756.09 = 4,995.14/x
  3. Step 3: Cross multiply
    5,617.96x = 7,756.09 × 4,995.14
  4. Step 4: Simplify right side
    5,617.96x = 38,742,704.13
  5. Step 5: Solve for x
    x = 38,742,704.13/5,617.96
  6. Step 6: Final answer
    x = 6,896.23

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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.