Home / 5,106.92-7,048.08-2,869.01

Finding the Fourth Proportional to 5,106.92, 7,048.08 and 2,869.01

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Solution

The fourth proportional to 5,106.92, 7,048.08 and 2,869.01 is: 3,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.92 : 7,048.08 = 2,869.01 : x
  2. Step 2: Convert to fraction form
    5,106.92/7,048.08 = 2,869.01/x
  3. Step 3: Cross multiply
    5,106.92x = 7,048.08 × 2,869.01
  4. Step 4: Simplify right side
    5,106.92x = 20,221,012.00
  5. Step 5: Solve for x
    x = 20,221,012.00/5,106.92
  6. Step 6: Final answer
    x = 3,959.53

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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.