Home / 5,570.88-8,356.26-1,678.02

Finding the Fourth Proportional to 5,570.88, 8,356.26 and 1,678.02

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Solution

The fourth proportional to 5,570.88, 8,356.26 and 1,678.02 is: 2,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.88 : 8,356.26 = 1,678.02 : x
  2. Step 2: Convert to fraction form
    5,570.88/8,356.26 = 1,678.02/x
  3. Step 3: Cross multiply
    5,570.88x = 8,356.26 × 1,678.02
  4. Step 4: Simplify right side
    5,570.88x = 14,021,971.41
  5. Step 5: Solve for x
    x = 14,021,971.41/5,570.88
  6. Step 6: Final answer
    x = 2,517.01

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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.