Home / 2,133.81-2,943.63-1,471.05

Finding the Fourth Proportional to 2,133.81, 2,943.63 and 1,471.05

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Solution

The fourth proportional to 2,133.81, 2,943.63 and 1,471.05 is: 2,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.81 : 2,943.63 = 1,471.05 : x
  2. Step 2: Convert to fraction form
    2,133.81/2,943.63 = 1,471.05/x
  3. Step 3: Cross multiply
    2,133.81x = 2,943.63 × 1,471.05
  4. Step 4: Simplify right side
    2,133.81x = 4,330,226.91
  5. Step 5: Solve for x
    x = 4,330,226.91/2,133.81
  6. Step 6: Final answer
    x = 2,029.34

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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.