Home / 3,562.10-4,915.76-1,968.74

Finding the Fourth Proportional to 3,562.10, 4,915.76 and 1,968.74

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Solution

The fourth proportional to 3,562.10, 4,915.76 and 1,968.74 is: 2,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.10 : 4,915.76 = 1,968.74 : x
  2. Step 2: Convert to fraction form
    3,562.10/4,915.76 = 1,968.74/x
  3. Step 3: Cross multiply
    3,562.10x = 4,915.76 × 1,968.74
  4. Step 4: Simplify right side
    3,562.10x = 9,677,853.34
  5. Step 5: Solve for x
    x = 9,677,853.34/3,562.10
  6. Step 6: Final answer
    x = 2,716.90

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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.