Home / 1,716.90-2,365.95-1,402.98

Finding the Fourth Proportional to 1,716.90, 2,365.95 and 1,402.98

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Solution

The fourth proportional to 1,716.90, 2,365.95 and 1,402.98 is: 1,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.90 : 2,365.95 = 1,402.98 : x
  2. Step 2: Convert to fraction form
    1,716.90/2,365.95 = 1,402.98/x
  3. Step 3: Cross multiply
    1,716.90x = 2,365.95 × 1,402.98
  4. Step 4: Simplify right side
    1,716.90x = 3,319,380.53
  5. Step 5: Solve for x
    x = 3,319,380.53/1,716.90
  6. Step 6: Final answer
    x = 1,933.36

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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.