Home / 4,210.79-5,813.24-2,955.69

Finding the Fourth Proportional to 4,210.79, 5,813.24 and 2,955.69

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Solution

The fourth proportional to 4,210.79, 5,813.24 and 2,955.69 is: 4,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.79 : 5,813.24 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    4,210.79/5,813.24 = 2,955.69/x
  3. Step 3: Cross multiply
    4,210.79x = 5,813.24 × 2,955.69
  4. Step 4: Simplify right side
    4,210.79x = 17,182,120.56
  5. Step 5: Solve for x
    x = 17,182,120.56/4,210.79
  6. Step 6: Final answer
    x = 4,080.50

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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.