Home / 5,403.06-7,456.28-3,012.95

Finding the Fourth Proportional to 5,403.06, 7,456.28 and 3,012.95

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Solution

The fourth proportional to 5,403.06, 7,456.28 and 3,012.95 is: 4,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.06 : 7,456.28 = 3,012.95 : x
  2. Step 2: Convert to fraction form
    5,403.06/7,456.28 = 3,012.95/x
  3. Step 3: Cross multiply
    5,403.06x = 7,456.28 × 3,012.95
  4. Step 4: Simplify right side
    5,403.06x = 22,465,346.48
  5. Step 5: Solve for x
    x = 22,465,346.48/5,403.06
  6. Step 6: Final answer
    x = 4,157.89

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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.