Home / 7,387.04-11,081.98-2,390.76

Finding the Fourth Proportional to 7,387.04, 11,081.98 and 2,390.76

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Solution

The fourth proportional to 7,387.04, 11,081.98 and 2,390.76 is: 3,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.04 : 11,081.98 = 2,390.76 : x
  2. Step 2: Convert to fraction form
    7,387.04/11,081.98 = 2,390.76/x
  3. Step 3: Cross multiply
    7,387.04x = 11,081.98 × 2,390.76
  4. Step 4: Simplify right side
    7,387.04x = 26,494,354.50
  5. Step 5: Solve for x
    x = 26,494,354.50/7,387.04
  6. Step 6: Final answer
    x = 3,586.60

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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.