Home / 6,384.19-8,810.18-3,589.69

Finding the Fourth Proportional to 6,384.19, 8,810.18 and 3,589.69

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Solution

The fourth proportional to 6,384.19, 8,810.18 and 3,589.69 is: 4,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.19 : 8,810.18 = 3,589.69 : x
  2. Step 2: Convert to fraction form
    6,384.19/8,810.18 = 3,589.69/x
  3. Step 3: Cross multiply
    6,384.19x = 8,810.18 × 3,589.69
  4. Step 4: Simplify right side
    6,384.19x = 31,625,815.04
  5. Step 5: Solve for x
    x = 31,625,815.04/6,384.19
  6. Step 6: Final answer
    x = 4,953.77

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.