Home / 5,488.24-7,577.04-3,395.20

Finding the Fourth Proportional to 5,488.24, 7,577.04 and 3,395.20

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Solution

The fourth proportional to 5,488.24, 7,577.04 and 3,395.20 is: 4,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.24 : 7,577.04 = 3,395.20 : x
  2. Step 2: Convert to fraction form
    5,488.24/7,577.04 = 3,395.20/x
  3. Step 3: Cross multiply
    5,488.24x = 7,577.04 × 3,395.20
  4. Step 4: Simplify right side
    5,488.24x = 25,725,566.21
  5. Step 5: Solve for x
    x = 25,725,566.21/5,488.24
  6. Step 6: Final answer
    x = 4,687.40

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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.