Home / 4,209.09-5,803.14-2,880.51

Finding the Fourth Proportional to 4,209.09, 5,803.14 and 2,880.51

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Solution

The fourth proportional to 4,209.09, 5,803.14 and 2,880.51 is: 3,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.09 : 5,803.14 = 2,880.51 : x
  2. Step 2: Convert to fraction form
    4,209.09/5,803.14 = 2,880.51/x
  3. Step 3: Cross multiply
    4,209.09x = 5,803.14 × 2,880.51
  4. Step 4: Simplify right side
    4,209.09x = 16,716,002.80
  5. Step 5: Solve for x
    x = 16,716,002.80/4,209.09
  6. Step 6: Final answer
    x = 3,971.41

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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.