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Finding the Fourth Proportional to 5,831.86, 8,751.42 and 2,545

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Solution

The fourth proportional to 5,831.86, 8,751.42 and 2,545 is: 3,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.86 : 8,751.42 = 2,545 : x
  2. Step 2: Convert to fraction form
    5,831.86/8,751.42 = 2,545/x
  3. Step 3: Cross multiply
    5,831.86x = 8,751.42 × 2,545
  4. Step 4: Simplify right side
    5,831.86x = 22,272,363.90
  5. Step 5: Solve for x
    x = 22,272,363.90/5,831.86
  6. Step 6: Final answer
    x = 3,819.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.