Home / 5,786.04-8,678.25-1,890.48

Finding the Fourth Proportional to 5,786.04, 8,678.25 and 1,890.48

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Solution

The fourth proportional to 5,786.04, 8,678.25 and 1,890.48 is: 2,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.04 : 8,678.25 = 1,890.48 : x
  2. Step 2: Convert to fraction form
    5,786.04/8,678.25 = 1,890.48/x
  3. Step 3: Cross multiply
    5,786.04x = 8,678.25 × 1,890.48
  4. Step 4: Simplify right side
    5,786.04x = 16,406,058.06
  5. Step 5: Solve for x
    x = 16,406,058.06/5,786.04
  6. Step 6: Final answer
    x = 2,835.46

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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.