Home / 3,528.57-4,871.73-2,409.11

Finding the Fourth Proportional to 3,528.57, 4,871.73 and 2,409.11

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Solution

The fourth proportional to 3,528.57, 4,871.73 and 2,409.11 is: 3,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.57 : 4,871.73 = 2,409.11 : x
  2. Step 2: Convert to fraction form
    3,528.57/4,871.73 = 2,409.11/x
  3. Step 3: Cross multiply
    3,528.57x = 4,871.73 × 2,409.11
  4. Step 4: Simplify right side
    3,528.57x = 11,736,509.10
  5. Step 5: Solve for x
    x = 11,736,509.10/3,528.57
  6. Step 6: Final answer
    x = 3,326.13

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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.