Home / 3,316.68-4,969.98-1,582.92

Finding the Fourth Proportional to 3,316.68, 4,969.98 and 1,582.92

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Solution

The fourth proportional to 3,316.68, 4,969.98 and 1,582.92 is: 2,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.68 : 4,969.98 = 1,582.92 : x
  2. Step 2: Convert to fraction form
    3,316.68/4,969.98 = 1,582.92/x
  3. Step 3: Cross multiply
    3,316.68x = 4,969.98 × 1,582.92
  4. Step 4: Simplify right side
    3,316.68x = 7,867,080.74
  5. Step 5: Solve for x
    x = 7,867,080.74/3,316.68
  6. Step 6: Final answer
    x = 2,371.97

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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.