Home / 2,953.79-4,057.98-2,643.17

Finding the Fourth Proportional to 2,953.79, 4,057.98 and 2,643.17

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Solution

The fourth proportional to 2,953.79, 4,057.98 and 2,643.17 is: 3,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.79 : 4,057.98 = 2,643.17 : x
  2. Step 2: Convert to fraction form
    2,953.79/4,057.98 = 2,643.17/x
  3. Step 3: Cross multiply
    2,953.79x = 4,057.98 × 2,643.17
  4. Step 4: Simplify right side
    2,953.79x = 10,725,910.71
  5. Step 5: Solve for x
    x = 10,725,910.71/2,953.79
  6. Step 6: Final answer
    x = 3,631.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.