Home / 6,223.81-8,587.02-3,704.65

Finding the Fourth Proportional to 6,223.81, 8,587.02 and 3,704.65

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Solution

The fourth proportional to 6,223.81, 8,587.02 and 3,704.65 is: 5,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.81 : 8,587.02 = 3,704.65 : x
  2. Step 2: Convert to fraction form
    6,223.81/8,587.02 = 3,704.65/x
  3. Step 3: Cross multiply
    6,223.81x = 8,587.02 × 3,704.65
  4. Step 4: Simplify right side
    6,223.81x = 31,811,903.64
  5. Step 5: Solve for x
    x = 31,811,903.64/6,223.81
  6. Step 6: Final answer
    x = 5,111.32

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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.