Home / 2,265.72-3,417.42-1,995.18

Finding the Fourth Proportional to 2,265.72, 3,417.42 and 1,995.18

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Solution

The fourth proportional to 2,265.72, 3,417.42 and 1,995.18 is: 3,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.72 : 3,417.42 = 1,995.18 : x
  2. Step 2: Convert to fraction form
    2,265.72/3,417.42 = 1,995.18/x
  3. Step 3: Cross multiply
    2,265.72x = 3,417.42 × 1,995.18
  4. Step 4: Simplify right side
    2,265.72x = 6,818,368.04
  5. Step 5: Solve for x
    x = 6,818,368.04/2,265.72
  6. Step 6: Final answer
    x = 3,009.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.