Home / 5,837.90-8,756.87-1,678.07

Finding the Fourth Proportional to 5,837.90, 8,756.87 and 1,678.07

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Solution

The fourth proportional to 5,837.90, 8,756.87 and 1,678.07 is: 2,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,837.90 : 8,756.87 = 1,678.07 : x
  2. Step 2: Convert to fraction form
    5,837.90/8,756.87 = 1,678.07/x
  3. Step 3: Cross multiply
    5,837.90x = 8,756.87 × 1,678.07
  4. Step 4: Simplify right side
    5,837.90x = 14,694,588.67
  5. Step 5: Solve for x
    x = 14,694,588.67/5,837.90
  6. Step 6: Final answer
    x = 2,517.10

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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.