Home / 5,010.81-6,913.67-3,240.29

Finding the Fourth Proportional to 5,010.81, 6,913.67 and 3,240.29

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Solution

The fourth proportional to 5,010.81, 6,913.67 and 3,240.29 is: 4,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.81 : 6,913.67 = 3,240.29 : x
  2. Step 2: Convert to fraction form
    5,010.81/6,913.67 = 3,240.29/x
  3. Step 3: Cross multiply
    5,010.81x = 6,913.67 × 3,240.29
  4. Step 4: Simplify right side
    5,010.81x = 22,402,261.20
  5. Step 5: Solve for x
    x = 22,402,261.20/5,010.81
  6. Step 6: Final answer
    x = 4,470.79

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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.