Home / 1,864.01-2,571.90-1,566.39

Finding the Fourth Proportional to 1,864.01, 2,571.90 and 1,566.39

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Solution

The fourth proportional to 1,864.01, 2,571.90 and 1,566.39 is: 2,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.01 : 2,571.90 = 1,566.39 : x
  2. Step 2: Convert to fraction form
    1,864.01/2,571.90 = 1,566.39/x
  3. Step 3: Cross multiply
    1,864.01x = 2,571.90 × 1,566.39
  4. Step 4: Simplify right side
    1,864.01x = 4,028,596.56
  5. Step 5: Solve for x
    x = 4,028,596.56/1,864.01
  6. Step 6: Final answer
    x = 2,161.25

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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.