Home / 5,115.74-7,673.60-1,606.01

Finding the Fourth Proportional to 5,115.74, 7,673.60 and 1,606.01

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Solution

The fourth proportional to 5,115.74, 7,673.60 and 1,606.01 is: 2,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.74 : 7,673.60 = 1,606.01 : x
  2. Step 2: Convert to fraction form
    5,115.74/7,673.60 = 1,606.01/x
  3. Step 3: Cross multiply
    5,115.74x = 7,673.60 × 1,606.01
  4. Step 4: Simplify right side
    5,115.74x = 12,323,831.94
  5. Step 5: Solve for x
    x = 12,323,831.94/5,115.74
  6. Step 6: Final answer
    x = 2,409.01

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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.