Home / 5,078.63-7,007.92-2,953.87

Finding the Fourth Proportional to 5,078.63, 7,007.92 and 2,953.87

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Solution

The fourth proportional to 5,078.63, 7,007.92 and 2,953.87 is: 4,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.63 : 7,007.92 = 2,953.87 : x
  2. Step 2: Convert to fraction form
    5,078.63/7,007.92 = 2,953.87/x
  3. Step 3: Cross multiply
    5,078.63x = 7,007.92 × 2,953.87
  4. Step 4: Simplify right side
    5,078.63x = 20,700,459.75
  5. Step 5: Solve for x
    x = 20,700,459.75/5,078.63
  6. Step 6: Final answer
    x = 4,075.99

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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.