Home / 3,539.07-5,297.67-1,891.53

Finding the Fourth Proportional to 3,539.07, 5,297.67 and 1,891.53

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Solution

The fourth proportional to 3,539.07, 5,297.67 and 1,891.53 is: 2,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.07 : 5,297.67 = 1,891.53 : x
  2. Step 2: Convert to fraction form
    3,539.07/5,297.67 = 1,891.53/x
  3. Step 3: Cross multiply
    3,539.07x = 5,297.67 × 1,891.53
  4. Step 4: Simplify right side
    3,539.07x = 10,020,701.74
  5. Step 5: Solve for x
    x = 10,020,701.74/3,539.07
  6. Step 6: Final answer
    x = 2,831.45

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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.