Home / 2,554.27-3,831.63-705.39

Finding the Fourth Proportional to 2,554.27, 3,831.63 and 705.39

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Solution

The fourth proportional to 2,554.27, 3,831.63 and 705.39 is: 1,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.27 : 3,831.63 = 705.39 : x
  2. Step 2: Convert to fraction form
    2,554.27/3,831.63 = 705.39/x
  3. Step 3: Cross multiply
    2,554.27x = 3,831.63 × 705.39
  4. Step 4: Simplify right side
    2,554.27x = 2,702,776.47
  5. Step 5: Solve for x
    x = 2,702,776.47/2,554.27
  6. Step 6: Final answer
    x = 1,058.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.