Home / 5,370.91-7,411.20-3,133.33

Finding the Fourth Proportional to 5,370.91, 7,411.20 and 3,133.33

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Solution

The fourth proportional to 5,370.91, 7,411.20 and 3,133.33 is: 4,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.91 : 7,411.20 = 3,133.33 : x
  2. Step 2: Convert to fraction form
    5,370.91/7,411.20 = 3,133.33/x
  3. Step 3: Cross multiply
    5,370.91x = 7,411.20 × 3,133.33
  4. Step 4: Simplify right side
    5,370.91x = 23,221,746.71
  5. Step 5: Solve for x
    x = 23,221,746.71/5,370.91
  6. Step 6: Final answer
    x = 4,323.62

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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.