Home / 5,315.09-7,331.07-4,605.66

Finding the Fourth Proportional to 5,315.09, 7,331.07 and 4,605.66

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Solution

The fourth proportional to 5,315.09, 7,331.07 and 4,605.66 is: 6,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.09 : 7,331.07 = 4,605.66 : x
  2. Step 2: Convert to fraction form
    5,315.09/7,331.07 = 4,605.66/x
  3. Step 3: Cross multiply
    5,315.09x = 7,331.07 × 4,605.66
  4. Step 4: Simplify right side
    5,315.09x = 33,764,415.86
  5. Step 5: Solve for x
    x = 33,764,415.86/5,315.09
  6. Step 6: Final answer
    x = 6,352.56

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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.