Home / 4,281.50-5,885.76-3,681.78

Finding the Fourth Proportional to 4,281.50, 5,885.76 and 3,681.78

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Solution

The fourth proportional to 4,281.50, 5,885.76 and 3,681.78 is: 5,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.50 : 5,885.76 = 3,681.78 : x
  2. Step 2: Convert to fraction form
    4,281.50/5,885.76 = 3,681.78/x
  3. Step 3: Cross multiply
    4,281.50x = 5,885.76 × 3,681.78
  4. Step 4: Simplify right side
    4,281.50x = 21,670,082.66
  5. Step 5: Solve for x
    x = 21,670,082.66/4,281.50
  6. Step 6: Final answer
    x = 5,061.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.