Home / 3,915.74-5,873.49-1,142.46

Finding the Fourth Proportional to 3,915.74, 5,873.49 and 1,142.46

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Solution

The fourth proportional to 3,915.74, 5,873.49 and 1,142.46 is: 1,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.74 : 5,873.49 = 1,142.46 : x
  2. Step 2: Convert to fraction form
    3,915.74/5,873.49 = 1,142.46/x
  3. Step 3: Cross multiply
    3,915.74x = 5,873.49 × 1,142.46
  4. Step 4: Simplify right side
    3,915.74x = 6,710,227.39
  5. Step 5: Solve for x
    x = 6,710,227.39/3,915.74
  6. Step 6: Final answer
    x = 1,713.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.