Home / 7,520.90-11,274.47-2,900.42

Finding the Fourth Proportional to 7,520.90, 11,274.47 and 2,900.42

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Solution

The fourth proportional to 7,520.90, 11,274.47 and 2,900.42 is: 4,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.90 : 11,274.47 = 2,900.42 : x
  2. Step 2: Convert to fraction form
    7,520.90/11,274.47 = 2,900.42/x
  3. Step 3: Cross multiply
    7,520.90x = 11,274.47 × 2,900.42
  4. Step 4: Simplify right side
    7,520.90x = 32,700,698.28
  5. Step 5: Solve for x
    x = 32,700,698.28/7,520.90
  6. Step 6: Final answer
    x = 4,347.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.