Home / 5,160.30-7,116.63-4,165.26

Finding the Fourth Proportional to 5,160.30, 7,116.63 and 4,165.26

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Solution

The fourth proportional to 5,160.30, 7,116.63 and 4,165.26 is: 5,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.30 : 7,116.63 = 4,165.26 : x
  2. Step 2: Convert to fraction form
    5,160.30/7,116.63 = 4,165.26/x
  3. Step 3: Cross multiply
    5,160.30x = 7,116.63 × 4,165.26
  4. Step 4: Simplify right side
    5,160.30x = 29,642,614.27
  5. Step 5: Solve for x
    x = 29,642,614.27/5,160.30
  6. Step 6: Final answer
    x = 5,744.36

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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.