Home / 4,084.18-5,636.18-2,221.18

Finding the Fourth Proportional to 4,084.18, 5,636.18 and 2,221.18

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Solution

The fourth proportional to 4,084.18, 5,636.18 and 2,221.18 is: 3,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.18 : 5,636.18 = 2,221.18 : x
  2. Step 2: Convert to fraction form
    4,084.18/5,636.18 = 2,221.18/x
  3. Step 3: Cross multiply
    4,084.18x = 5,636.18 × 2,221.18
  4. Step 4: Simplify right side
    4,084.18x = 12,518,970.29
  5. Step 5: Solve for x
    x = 12,518,970.29/4,084.18
  6. Step 6: Final answer
    x = 3,065.23

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Half scale
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Double scale
Find fourth proportional to 4,085.18, 5,637.56 and 2,222.18
Similar ratio
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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.