Home / 3,864.51-5,328.99-2,292.30

Finding the Fourth Proportional to 3,864.51, 5,328.99 and 2,292.30

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Solution

The fourth proportional to 3,864.51, 5,328.99 and 2,292.30 is: 3,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.51 : 5,328.99 = 2,292.30 : x
  2. Step 2: Convert to fraction form
    3,864.51/5,328.99 = 2,292.30/x
  3. Step 3: Cross multiply
    3,864.51x = 5,328.99 × 2,292.30
  4. Step 4: Simplify right side
    3,864.51x = 12,215,643.78
  5. Step 5: Solve for x
    x = 12,215,643.78/3,864.51
  6. Step 6: Final answer
    x = 3,160.98

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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.