Home / 5,647.32-8,471.72-2,088.95

Finding the Fourth Proportional to 5,647.32, 8,471.72 and 2,088.95

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Solution

The fourth proportional to 5,647.32, 8,471.72 and 2,088.95 is: 3,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.32 : 8,471.72 = 2,088.95 : x
  2. Step 2: Convert to fraction form
    5,647.32/8,471.72 = 2,088.95/x
  3. Step 3: Cross multiply
    5,647.32x = 8,471.72 × 2,088.95
  4. Step 4: Simplify right side
    5,647.32x = 17,697,013.11
  5. Step 5: Solve for x
    x = 17,697,013.11/5,647.32
  6. Step 6: Final answer
    x = 3,133.70

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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.