Home / 5,589.86-8,384.76-2,127.11

Finding the Fourth Proportional to 5,589.86, 8,384.76 and 2,127.11

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Solution

The fourth proportional to 5,589.86, 8,384.76 and 2,127.11 is: 3,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.86 : 8,384.76 = 2,127.11 : x
  2. Step 2: Convert to fraction form
    5,589.86/8,384.76 = 2,127.11/x
  3. Step 3: Cross multiply
    5,589.86x = 8,384.76 × 2,127.11
  4. Step 4: Simplify right side
    5,589.86x = 17,835,264.92
  5. Step 5: Solve for x
    x = 17,835,264.92/5,589.86
  6. Step 6: Final answer
    x = 3,190.65

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Double scale
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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.