Home / 5,930.80-8,842.40-5,776.92

Finding the Fourth Proportional to 5,930.80, 8,842.40 and 5,776.92

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Solution

The fourth proportional to 5,930.80, 8,842.40 and 5,776.92 is: 8,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.80 : 8,842.40 = 5,776.92 : x
  2. Step 2: Convert to fraction form
    5,930.80/8,842.40 = 5,776.92/x
  3. Step 3: Cross multiply
    5,930.80x = 8,842.40 × 5,776.92
  4. Step 4: Simplify right side
    5,930.80x = 51,081,837.41
  5. Step 5: Solve for x
    x = 51,081,837.41/5,930.80
  6. Step 6: Final answer
    x = 8,612.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.