Home / 5,476.28-7,557.58-3,380.44

Finding the Fourth Proportional to 5,476.28, 7,557.58 and 3,380.44

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Solution

The fourth proportional to 5,476.28, 7,557.58 and 3,380.44 is: 4,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.28 : 7,557.58 = 3,380.44 : x
  2. Step 2: Convert to fraction form
    5,476.28/7,557.58 = 3,380.44/x
  3. Step 3: Cross multiply
    5,476.28x = 7,557.58 × 3,380.44
  4. Step 4: Simplify right side
    5,476.28x = 25,547,945.74
  5. Step 5: Solve for x
    x = 25,547,945.74/5,476.28
  6. Step 6: Final answer
    x = 4,665.20

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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.