Home / 3,084.68-4,254.12-2,247.35

Finding the Fourth Proportional to 3,084.68, 4,254.12 and 2,247.35

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Solution

The fourth proportional to 3,084.68, 4,254.12 and 2,247.35 is: 3,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.68 : 4,254.12 = 2,247.35 : x
  2. Step 2: Convert to fraction form
    3,084.68/4,254.12 = 2,247.35/x
  3. Step 3: Cross multiply
    3,084.68x = 4,254.12 × 2,247.35
  4. Step 4: Simplify right side
    3,084.68x = 9,560,475.31
  5. Step 5: Solve for x
    x = 9,560,475.31/3,084.68
  6. Step 6: Final answer
    x = 3,099.34

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Half scale
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Double scale
Find fourth proportional to 3,085.68, 4,255.50 and 2,248.35
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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.