Home / 5,225.21-7,210.77-2,867.35

Finding the Fourth Proportional to 5,225.21, 7,210.77 and 2,867.35

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Solution

The fourth proportional to 5,225.21, 7,210.77 and 2,867.35 is: 3,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.21 : 7,210.77 = 2,867.35 : x
  2. Step 2: Convert to fraction form
    5,225.21/7,210.77 = 2,867.35/x
  3. Step 3: Cross multiply
    5,225.21x = 7,210.77 × 2,867.35
  4. Step 4: Simplify right side
    5,225.21x = 20,675,765.31
  5. Step 5: Solve for x
    x = 20,675,765.31/5,225.21
  6. Step 6: Final answer
    x = 3,956.93

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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.