Home / 1,664.26-2,294.50-1,364.38

Finding the Fourth Proportional to 1,664.26, 2,294.50 and 1,364.38

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Solution

The fourth proportional to 1,664.26, 2,294.50 and 1,364.38 is: 1,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.26 : 2,294.50 = 1,364.38 : x
  2. Step 2: Convert to fraction form
    1,664.26/2,294.50 = 1,364.38/x
  3. Step 3: Cross multiply
    1,664.26x = 2,294.50 × 1,364.38
  4. Step 4: Simplify right side
    1,664.26x = 3,130,569.91
  5. Step 5: Solve for x
    x = 3,130,569.91/1,664.26
  6. Step 6: Final answer
    x = 1,881.06

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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.