Home / 1,698.49-2,344.35-1,035.55

Finding the Fourth Proportional to 1,698.49, 2,344.35 and 1,035.55

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Solution

The fourth proportional to 1,698.49, 2,344.35 and 1,035.55 is: 1,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.49 : 2,344.35 = 1,035.55 : x
  2. Step 2: Convert to fraction form
    1,698.49/2,344.35 = 1,035.55/x
  3. Step 3: Cross multiply
    1,698.49x = 2,344.35 × 1,035.55
  4. Step 4: Simplify right side
    1,698.49x = 2,427,691.64
  5. Step 5: Solve for x
    x = 2,427,691.64/1,698.49
  6. Step 6: Final answer
    x = 1,429.32

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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.