Home / 4,045.63-5,581.02-2,721.28

Finding the Fourth Proportional to 4,045.63, 5,581.02 and 2,721.28

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Solution

The fourth proportional to 4,045.63, 5,581.02 and 2,721.28 is: 3,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.63 : 5,581.02 = 2,721.28 : x
  2. Step 2: Convert to fraction form
    4,045.63/5,581.02 = 2,721.28/x
  3. Step 3: Cross multiply
    4,045.63x = 5,581.02 × 2,721.28
  4. Step 4: Simplify right side
    4,045.63x = 15,187,518.11
  5. Step 5: Solve for x
    x = 15,187,518.11/4,045.63
  6. Step 6: Final answer
    x = 3,754.06

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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.