Home / 3,051.61-4,211.20-1,654.36

Finding the Fourth Proportional to 3,051.61, 4,211.20 and 1,654.36

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Solution

The fourth proportional to 3,051.61, 4,211.20 and 1,654.36 is: 2,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.61 : 4,211.20 = 1,654.36 : x
  2. Step 2: Convert to fraction form
    3,051.61/4,211.20 = 1,654.36/x
  3. Step 3: Cross multiply
    3,051.61x = 4,211.20 × 1,654.36
  4. Step 4: Simplify right side
    3,051.61x = 6,966,840.83
  5. Step 5: Solve for x
    x = 6,966,840.83/3,051.61
  6. Step 6: Final answer
    x = 2,283.00

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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.