Home / 5,038.92-6,953.58-2,800.68

Finding the Fourth Proportional to 5,038.92, 6,953.58 and 2,800.68

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Solution

The fourth proportional to 5,038.92, 6,953.58 and 2,800.68 is: 3,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.92 : 6,953.58 = 2,800.68 : x
  2. Step 2: Convert to fraction form
    5,038.92/6,953.58 = 2,800.68/x
  3. Step 3: Cross multiply
    5,038.92x = 6,953.58 × 2,800.68
  4. Step 4: Simplify right side
    5,038.92x = 19,474,752.43
  5. Step 5: Solve for x
    x = 19,474,752.43/5,038.92
  6. Step 6: Final answer
    x = 3,864.87

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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.