Home / 5,888.18-8,120.70-4,206.48

Finding the Fourth Proportional to 5,888.18, 8,120.70 and 4,206.48

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Solution

The fourth proportional to 5,888.18, 8,120.70 and 4,206.48 is: 5,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.18 : 8,120.70 = 4,206.48 : x
  2. Step 2: Convert to fraction form
    5,888.18/8,120.70 = 4,206.48/x
  3. Step 3: Cross multiply
    5,888.18x = 8,120.70 × 4,206.48
  4. Step 4: Simplify right side
    5,888.18x = 34,159,562.14
  5. Step 5: Solve for x
    x = 34,159,562.14/5,888.18
  6. Step 6: Final answer
    x = 5,801.38

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Half scale
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Double scale
Find fourth proportional to 5,889.18, 8,122.08 and 4,207.48
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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.