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Finding the Fourth Proportional to 5,890.68, 8,831.16 and 2,430.36

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Solution

The fourth proportional to 5,890.68, 8,831.16 and 2,430.36 is: 3,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.68 : 8,831.16 = 2,430.36 : x
  2. Step 2: Convert to fraction form
    5,890.68/8,831.16 = 2,430.36/x
  3. Step 3: Cross multiply
    5,890.68x = 8,831.16 × 2,430.36
  4. Step 4: Simplify right side
    5,890.68x = 21,462,898.02
  5. Step 5: Solve for x
    x = 21,462,898.02/5,890.68
  6. Step 6: Final answer
    x = 3,643.53

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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.