Home / 5,403.56-7,456.88-3,045.69

Finding the Fourth Proportional to 5,403.56, 7,456.88 and 3,045.69

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Solution

The fourth proportional to 5,403.56, 7,456.88 and 3,045.69 is: 4,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.56 : 7,456.88 = 3,045.69 : x
  2. Step 2: Convert to fraction form
    5,403.56/7,456.88 = 3,045.69/x
  3. Step 3: Cross multiply
    5,403.56x = 7,456.88 × 3,045.69
  4. Step 4: Simplify right side
    5,403.56x = 22,711,352.46
  5. Step 5: Solve for x
    x = 22,711,352.46/5,403.56
  6. Step 6: Final answer
    x = 4,203.04

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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.