Home / 2,901.19-4,003.64-1,574.89

Finding the Fourth Proportional to 2,901.19, 4,003.64 and 1,574.89

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Solution

The fourth proportional to 2,901.19, 4,003.64 and 1,574.89 is: 2,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.19 : 4,003.64 = 1,574.89 : x
  2. Step 2: Convert to fraction form
    2,901.19/4,003.64 = 1,574.89/x
  3. Step 3: Cross multiply
    2,901.19x = 4,003.64 × 1,574.89
  4. Step 4: Simplify right side
    2,901.19x = 6,305,306.55
  5. Step 5: Solve for x
    x = 6,305,306.55/2,901.19
  6. Step 6: Final answer
    x = 2,173.35

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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.