Home / 5,225.10-7,210.65-2,867.25

Finding the Fourth Proportional to 5,225.10, 7,210.65 and 2,867.25

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Solution

The fourth proportional to 5,225.10, 7,210.65 and 2,867.25 is: 3,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.10 : 7,210.65 = 2,867.25 : x
  2. Step 2: Convert to fraction form
    5,225.10/7,210.65 = 2,867.25/x
  3. Step 3: Cross multiply
    5,225.10x = 7,210.65 × 2,867.25
  4. Step 4: Simplify right side
    5,225.10x = 20,674,736.21
  5. Step 5: Solve for x
    x = 20,674,736.21/5,225.10
  6. Step 6: Final answer
    x = 3,956.81

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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.