Home / 2,848.83-3,931.13-1,669.68

Finding the Fourth Proportional to 2,848.83, 3,931.13 and 1,669.68

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Solution

The fourth proportional to 2,848.83, 3,931.13 and 1,669.68 is: 2,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.83 : 3,931.13 = 1,669.68 : x
  2. Step 2: Convert to fraction form
    2,848.83/3,931.13 = 1,669.68/x
  3. Step 3: Cross multiply
    2,848.83x = 3,931.13 × 1,669.68
  4. Step 4: Simplify right side
    2,848.83x = 6,563,720.79
  5. Step 5: Solve for x
    x = 6,563,720.79/2,848.83
  6. Step 6: Final answer
    x = 2,304.01

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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.