Home / 3,325.81-4,587.28-2,859.25

Finding the Fourth Proportional to 3,325.81, 4,587.28 and 2,859.25

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Solution

The fourth proportional to 3,325.81, 4,587.28 and 2,859.25 is: 3,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.81 : 4,587.28 = 2,859.25 : x
  2. Step 2: Convert to fraction form
    3,325.81/4,587.28 = 2,859.25/x
  3. Step 3: Cross multiply
    3,325.81x = 4,587.28 × 2,859.25
  4. Step 4: Simplify right side
    3,325.81x = 13,116,180.34
  5. Step 5: Solve for x
    x = 13,116,180.34/3,325.81
  6. Step 6: Final answer
    x = 3,943.76

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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.