Home / 5,570.84-8,356.57-1,874.21

Finding the Fourth Proportional to 5,570.84, 8,356.57 and 1,874.21

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Solution

The fourth proportional to 5,570.84, 8,356.57 and 1,874.21 is: 2,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.84 : 8,356.57 = 1,874.21 : x
  2. Step 2: Convert to fraction form
    5,570.84/8,356.57 = 1,874.21/x
  3. Step 3: Cross multiply
    5,570.84x = 8,356.57 × 1,874.21
  4. Step 4: Simplify right side
    5,570.84x = 15,661,920.59
  5. Step 5: Solve for x
    x = 15,661,920.59/5,570.84
  6. Step 6: Final answer
    x = 2,811.41

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Half scale
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Double scale
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Similar ratio
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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.