Home / 5,254.79-7,254.57-3,488.81

Finding the Fourth Proportional to 5,254.79, 7,254.57 and 3,488.81

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Solution

The fourth proportional to 5,254.79, 7,254.57 and 3,488.81 is: 4,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.79 : 7,254.57 = 3,488.81 : x
  2. Step 2: Convert to fraction form
    5,254.79/7,254.57 = 3,488.81/x
  3. Step 3: Cross multiply
    5,254.79x = 7,254.57 × 3,488.81
  4. Step 4: Simplify right side
    5,254.79x = 25,309,816.36
  5. Step 5: Solve for x
    x = 25,309,816.36/5,254.79
  6. Step 6: Final answer
    x = 4,816.52

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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.