Home / 5,476.29-7,557.20-3,118.38

Finding the Fourth Proportional to 5,476.29, 7,557.20 and 3,118.38

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Solution

The fourth proportional to 5,476.29, 7,557.20 and 3,118.38 is: 4,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.29 : 7,557.20 = 3,118.38 : x
  2. Step 2: Convert to fraction form
    5,476.29/7,557.20 = 3,118.38/x
  3. Step 3: Cross multiply
    5,476.29x = 7,557.20 × 3,118.38
  4. Step 4: Simplify right side
    5,476.29x = 23,566,167.96
  5. Step 5: Solve for x
    x = 23,566,167.96/5,476.29
  6. Step 6: Final answer
    x = 4,303.31

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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.