Home / 5,089.64-7,635.55-1,579.57

Finding the Fourth Proportional to 5,089.64, 7,635.55 and 1,579.57

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Solution

The fourth proportional to 5,089.64, 7,635.55 and 1,579.57 is: 2,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.64 : 7,635.55 = 1,579.57 : x
  2. Step 2: Convert to fraction form
    5,089.64/7,635.55 = 1,579.57/x
  3. Step 3: Cross multiply
    5,089.64x = 7,635.55 × 1,579.57
  4. Step 4: Simplify right side
    5,089.64x = 12,060,885.71
  5. Step 5: Solve for x
    x = 12,060,885.71/5,089.64
  6. Step 6: Final answer
    x = 2,369.69

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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.