Home / 5,373.77-8,060.45-1,478.07

Finding the Fourth Proportional to 5,373.77, 8,060.45 and 1,478.07

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Solution

The fourth proportional to 5,373.77, 8,060.45 and 1,478.07 is: 2,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.77 : 8,060.45 = 1,478.07 : x
  2. Step 2: Convert to fraction form
    5,373.77/8,060.45 = 1,478.07/x
  3. Step 3: Cross multiply
    5,373.77x = 8,060.45 × 1,478.07
  4. Step 4: Simplify right side
    5,373.77x = 11,913,901.94
  5. Step 5: Solve for x
    x = 11,913,901.94/5,373.77
  6. Step 6: Final answer
    x = 2,217.05

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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.