Home / 5,646.51-8,470.62-1,949.81

Finding the Fourth Proportional to 5,646.51, 8,470.62 and 1,949.81

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Solution

The fourth proportional to 5,646.51, 8,470.62 and 1,949.81 is: 2,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.51 : 8,470.62 = 1,949.81 : x
  2. Step 2: Convert to fraction form
    5,646.51/8,470.62 = 1,949.81/x
  3. Step 3: Cross multiply
    5,646.51x = 8,470.62 × 1,949.81
  4. Step 4: Simplify right side
    5,646.51x = 16,516,057.23
  5. Step 5: Solve for x
    x = 16,516,057.23/5,646.51
  6. Step 6: Final answer
    x = 2,925.00

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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.