Home / 2,190.61-3,017.85-1,526.27

Finding the Fourth Proportional to 2,190.61, 3,017.85 and 1,526.27

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Solution

The fourth proportional to 2,190.61, 3,017.85 and 1,526.27 is: 2,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.61 : 3,017.85 = 1,526.27 : x
  2. Step 2: Convert to fraction form
    2,190.61/3,017.85 = 1,526.27/x
  3. Step 3: Cross multiply
    2,190.61x = 3,017.85 × 1,526.27
  4. Step 4: Simplify right side
    2,190.61x = 4,606,053.92
  5. Step 5: Solve for x
    x = 4,606,053.92/2,190.61
  6. Step 6: Final answer
    x = 2,102.64

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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.