Home / 5,069.71-6,990.68-3,298.03

Finding the Fourth Proportional to 5,069.71, 6,990.68 and 3,298.03

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Solution

The fourth proportional to 5,069.71, 6,990.68 and 3,298.03 is: 4,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.71 : 6,990.68 = 3,298.03 : x
  2. Step 2: Convert to fraction form
    5,069.71/6,990.68 = 3,298.03/x
  3. Step 3: Cross multiply
    5,069.71x = 6,990.68 × 3,298.03
  4. Step 4: Simplify right side
    5,069.71x = 23,055,472.36
  5. Step 5: Solve for x
    x = 23,055,472.36/5,069.71
  6. Step 6: Final answer
    x = 4,547.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.