Home / 5,187.04-7,157.88-2,829.10

Finding the Fourth Proportional to 5,187.04, 7,157.88 and 2,829.10

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Solution

The fourth proportional to 5,187.04, 7,157.88 and 2,829.10 is: 3,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.04 : 7,157.88 = 2,829.10 : x
  2. Step 2: Convert to fraction form
    5,187.04/7,157.88 = 2,829.10/x
  3. Step 3: Cross multiply
    5,187.04x = 7,157.88 × 2,829.10
  4. Step 4: Simplify right side
    5,187.04x = 20,250,358.31
  5. Step 5: Solve for x
    x = 20,250,358.31/5,187.04
  6. Step 6: Final answer
    x = 3,904.03

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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.