Home / 1,864.81-2,573.44-1,025.57

Finding the Fourth Proportional to 1,864.81, 2,573.44 and 1,025.57

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Solution

The fourth proportional to 1,864.81, 2,573.44 and 1,025.57 is: 1,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.81 : 2,573.44 = 1,025.57 : x
  2. Step 2: Convert to fraction form
    1,864.81/2,573.44 = 1,025.57/x
  3. Step 3: Cross multiply
    1,864.81x = 2,573.44 × 1,025.57
  4. Step 4: Simplify right side
    1,864.81x = 2,639,224.87
  5. Step 5: Solve for x
    x = 2,639,224.87/1,864.81
  6. Step 6: Final answer
    x = 1,415.28

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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.