Home / 4,133.90-5,700.76-3,139.22

Finding the Fourth Proportional to 4,133.90, 5,700.76 and 3,139.22

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Solution

The fourth proportional to 4,133.90, 5,700.76 and 3,139.22 is: 4,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.90 : 5,700.76 = 3,139.22 : x
  2. Step 2: Convert to fraction form
    4,133.90/5,700.76 = 3,139.22/x
  3. Step 3: Cross multiply
    4,133.90x = 5,700.76 × 3,139.22
  4. Step 4: Simplify right side
    4,133.90x = 17,895,903.46
  5. Step 5: Solve for x
    x = 17,895,903.46/4,133.90
  6. Step 6: Final answer
    x = 4,329.07

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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.