Home / 1,923.11-2,653.93-1,137.17

Finding the Fourth Proportional to 1,923.11, 2,653.93 and 1,137.17

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Solution

The fourth proportional to 1,923.11, 2,653.93 and 1,137.17 is: 1,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.11 : 2,653.93 = 1,137.17 : x
  2. Step 2: Convert to fraction form
    1,923.11/2,653.93 = 1,137.17/x
  3. Step 3: Cross multiply
    1,923.11x = 2,653.93 × 1,137.17
  4. Step 4: Simplify right side
    1,923.11x = 3,017,953.47
  5. Step 5: Solve for x
    x = 3,017,953.47/1,923.11
  6. Step 6: Final answer
    x = 1,569.31

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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.