Home / 6,220.11-8,585.51-4,097.19

Finding the Fourth Proportional to 6,220.11, 8,585.51 and 4,097.19

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Solution

The fourth proportional to 6,220.11, 8,585.51 and 4,097.19 is: 5,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.11 : 8,585.51 = 4,097.19 : x
  2. Step 2: Convert to fraction form
    6,220.11/8,585.51 = 4,097.19/x
  3. Step 3: Cross multiply
    6,220.11x = 8,585.51 × 4,097.19
  4. Step 4: Simplify right side
    6,220.11x = 35,176,443.76
  5. Step 5: Solve for x
    x = 35,176,443.76/6,220.11
  6. Step 6: Final answer
    x = 5,655.28

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Half scale
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Double scale
Find fourth proportional to 6,221.11, 8,586.89 and 4,098.19
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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.