Home / 5,052.65-7,580-2,130.95

Finding the Fourth Proportional to 5,052.65, 7,580 and 2,130.95

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Solution

The fourth proportional to 5,052.65, 7,580 and 2,130.95 is: 3,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.65 : 7,580 = 2,130.95 : x
  2. Step 2: Convert to fraction form
    5,052.65/7,580 = 2,130.95/x
  3. Step 3: Cross multiply
    5,052.65x = 7,580 × 2,130.95
  4. Step 4: Simplify right side
    5,052.65x = 16,152,601.00
  5. Step 5: Solve for x
    x = 16,152,601.00/5,052.65
  6. Step 6: Final answer
    x = 3,196.86

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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.