Home / 5,420.05-7,472.93-4,567.12

Finding the Fourth Proportional to 5,420.05, 7,472.93 and 4,567.12

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Solution

The fourth proportional to 5,420.05, 7,472.93 and 4,567.12 is: 6,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.05 : 7,472.93 = 4,567.12 : x
  2. Step 2: Convert to fraction form
    5,420.05/7,472.93 = 4,567.12/x
  3. Step 3: Cross multiply
    5,420.05x = 7,472.93 × 4,567.12
  4. Step 4: Simplify right side
    5,420.05x = 34,129,726.54
  5. Step 5: Solve for x
    x = 34,129,726.54/5,420.05
  6. Step 6: Final answer
    x = 6,296.94

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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.