Home / 4,045.68-5,585.52-2,721.36

Finding the Fourth Proportional to 4,045.68, 5,585.52 and 2,721.36

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Solution

The fourth proportional to 4,045.68, 5,585.52 and 2,721.36 is: 3,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.68 : 5,585.52 = 2,721.36 : x
  2. Step 2: Convert to fraction form
    4,045.68/5,585.52 = 2,721.36/x
  3. Step 3: Cross multiply
    4,045.68x = 5,585.52 × 2,721.36
  4. Step 4: Simplify right side
    4,045.68x = 15,200,210.71
  5. Step 5: Solve for x
    x = 15,200,210.71/4,045.68
  6. Step 6: Final answer
    x = 3,757.15

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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.