Home / 4,117.28-5,681.79-2,254.28

Finding the Fourth Proportional to 4,117.28, 5,681.79 and 2,254.28

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Solution

The fourth proportional to 4,117.28, 5,681.79 and 2,254.28 is: 3,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.28 : 5,681.79 = 2,254.28 : x
  2. Step 2: Convert to fraction form
    4,117.28/5,681.79 = 2,254.28/x
  3. Step 3: Cross multiply
    4,117.28x = 5,681.79 × 2,254.28
  4. Step 4: Simplify right side
    4,117.28x = 12,808,345.56
  5. Step 5: Solve for x
    x = 12,808,345.56/4,117.28
  6. Step 6: Final answer
    x = 3,110.88

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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.