Home / 1,696.04-2,340.72-997.40

Finding the Fourth Proportional to 1,696.04, 2,340.72 and 997.40

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Solution

The fourth proportional to 1,696.04, 2,340.72 and 997.40 is: 1,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.04 : 2,340.72 = 997.40 : x
  2. Step 2: Convert to fraction form
    1,696.04/2,340.72 = 997.40/x
  3. Step 3: Cross multiply
    1,696.04x = 2,340.72 × 997.40
  4. Step 4: Simplify right side
    1,696.04x = 2,334,634.13
  5. Step 5: Solve for x
    x = 2,334,634.13/1,696.04
  6. Step 6: Final answer
    x = 1,376.52

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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.