Home / 3,885.09-5,363.45-3,032.51

Finding the Fourth Proportional to 3,885.09, 5,363.45 and 3,032.51

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Solution

The fourth proportional to 3,885.09, 5,363.45 and 3,032.51 is: 4,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.09 : 5,363.45 = 3,032.51 : x
  2. Step 2: Convert to fraction form
    3,885.09/5,363.45 = 3,032.51/x
  3. Step 3: Cross multiply
    3,885.09x = 5,363.45 × 3,032.51
  4. Step 4: Simplify right side
    3,885.09x = 16,264,747.46
  5. Step 5: Solve for x
    x = 16,264,747.46/3,885.09
  6. Step 6: Final answer
    x = 4,186.45

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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.