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Finding the Fourth Proportional to 5,010.84, 6,913.71 and 3,240.32

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Solution

The fourth proportional to 5,010.84, 6,913.71 and 3,240.32 is: 4,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.84 : 6,913.71 = 3,240.32 : x
  2. Step 2: Convert to fraction form
    5,010.84/6,913.71 = 3,240.32/x
  3. Step 3: Cross multiply
    5,010.84x = 6,913.71 × 3,240.32
  4. Step 4: Simplify right side
    5,010.84x = 22,402,632.79
  5. Step 5: Solve for x
    x = 22,402,632.79/5,010.84
  6. Step 6: Final answer
    x = 4,470.83

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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.