Home / 5,403.41-7,456.76-3,045.55

Finding the Fourth Proportional to 5,403.41, 7,456.76 and 3,045.55

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Solution

The fourth proportional to 5,403.41, 7,456.76 and 3,045.55 is: 4,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.41 : 7,456.76 = 3,045.55 : x
  2. Step 2: Convert to fraction form
    5,403.41/7,456.76 = 3,045.55/x
  3. Step 3: Cross multiply
    5,403.41x = 7,456.76 × 3,045.55
  4. Step 4: Simplify right side
    5,403.41x = 22,709,916.78
  5. Step 5: Solve for x
    x = 22,709,916.78/5,403.41
  6. Step 6: Final answer
    x = 4,202.89

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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.