Home / 1,909.63-2,848.73-1,777.06

Finding the Fourth Proportional to 1,909.63, 2,848.73 and 1,777.06

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Solution

The fourth proportional to 1,909.63, 2,848.73 and 1,777.06 is: 2,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.63 : 2,848.73 = 1,777.06 : x
  2. Step 2: Convert to fraction form
    1,909.63/2,848.73 = 1,777.06/x
  3. Step 3: Cross multiply
    1,909.63x = 2,848.73 × 1,777.06
  4. Step 4: Simplify right side
    1,909.63x = 5,062,364.13
  5. Step 5: Solve for x
    x = 5,062,364.13/1,909.63
  6. Step 6: Final answer
    x = 2,650.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.