Home / 3,103.92-4,281.66-2,041.74

Finding the Fourth Proportional to 3,103.92, 4,281.66 and 2,041.74

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Solution

The fourth proportional to 3,103.92, 4,281.66 and 2,041.74 is: 2,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.92 : 4,281.66 = 2,041.74 : x
  2. Step 2: Convert to fraction form
    3,103.92/4,281.66 = 2,041.74/x
  3. Step 3: Cross multiply
    3,103.92x = 4,281.66 × 2,041.74
  4. Step 4: Simplify right side
    3,103.92x = 8,742,036.49
  5. Step 5: Solve for x
    x = 8,742,036.49/3,103.92
  6. Step 6: Final answer
    x = 2,816.45

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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.