Home / 5,187.08-7,158.26-2,829.24

Finding the Fourth Proportional to 5,187.08, 7,158.26 and 2,829.24

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Solution

The fourth proportional to 5,187.08, 7,158.26 and 2,829.24 is: 3,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.08 : 7,158.26 = 2,829.24 : x
  2. Step 2: Convert to fraction form
    5,187.08/7,158.26 = 2,829.24/x
  3. Step 3: Cross multiply
    5,187.08x = 7,158.26 × 2,829.24
  4. Step 4: Simplify right side
    5,187.08x = 20,252,435.52
  5. Step 5: Solve for x
    x = 20,252,435.52/5,187.08
  6. Step 6: Final answer
    x = 3,904.40

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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.