Home / 5,224.80-7,210.56-2,867.20

Finding the Fourth Proportional to 5,224.80, 7,210.56 and 2,867.20

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Solution

The fourth proportional to 5,224.80, 7,210.56 and 2,867.20 is: 3,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.80 : 7,210.56 = 2,867.20 : x
  2. Step 2: Convert to fraction form
    5,224.80/7,210.56 = 2,867.20/x
  3. Step 3: Cross multiply
    5,224.80x = 7,210.56 × 2,867.20
  4. Step 4: Simplify right side
    5,224.80x = 20,674,117.63
  5. Step 5: Solve for x
    x = 20,674,117.63/5,224.80
  6. Step 6: Final answer
    x = 3,956.92

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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.