Home / 3,456.95-4,770.45-1,885.01

Finding the Fourth Proportional to 3,456.95, 4,770.45 and 1,885.01

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Solution

The fourth proportional to 3,456.95, 4,770.45 and 1,885.01 is: 2,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.95 : 4,770.45 = 1,885.01 : x
  2. Step 2: Convert to fraction form
    3,456.95/4,770.45 = 1,885.01/x
  3. Step 3: Cross multiply
    3,456.95x = 4,770.45 × 1,885.01
  4. Step 4: Simplify right side
    3,456.95x = 8,992,322.10
  5. Step 5: Solve for x
    x = 8,992,322.10/3,456.95
  6. Step 6: Final answer
    x = 2,601.23

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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.