Home / 2,057.40-2,841.66-1,639.17

Finding the Fourth Proportional to 2,057.40, 2,841.66 and 1,639.17

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Solution

The fourth proportional to 2,057.40, 2,841.66 and 1,639.17 is: 2,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.40 : 2,841.66 = 1,639.17 : x
  2. Step 2: Convert to fraction form
    2,057.40/2,841.66 = 1,639.17/x
  3. Step 3: Cross multiply
    2,057.40x = 2,841.66 × 1,639.17
  4. Step 4: Simplify right side
    2,057.40x = 4,657,963.82
  5. Step 5: Solve for x
    x = 4,657,963.82/2,057.40
  6. Step 6: Final answer
    x = 2,264.00

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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.