Home / 5,162.77-7,111.60-4,165.26

Finding the Fourth Proportional to 5,162.77, 7,111.60 and 4,165.26

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Solution

The fourth proportional to 5,162.77, 7,111.60 and 4,165.26 is: 5,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.77 : 7,111.60 = 4,165.26 : x
  2. Step 2: Convert to fraction form
    5,162.77/7,111.60 = 4,165.26/x
  3. Step 3: Cross multiply
    5,162.77x = 7,111.60 × 4,165.26
  4. Step 4: Simplify right side
    5,162.77x = 29,621,663.02
  5. Step 5: Solve for x
    x = 29,621,663.02/5,162.77
  6. Step 6: Final answer
    x = 5,737.55

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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.