Home / 4,347.78-6,521.67-1,574.39

Finding the Fourth Proportional to 4,347.78, 6,521.67 and 1,574.39

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Solution

The fourth proportional to 4,347.78, 6,521.67 and 1,574.39 is: 2,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.78 : 6,521.67 = 1,574.39 : x
  2. Step 2: Convert to fraction form
    4,347.78/6,521.67 = 1,574.39/x
  3. Step 3: Cross multiply
    4,347.78x = 6,521.67 × 1,574.39
  4. Step 4: Simplify right side
    4,347.78x = 10,267,619.42
  5. Step 5: Solve for x
    x = 10,267,619.42/4,347.78
  6. Step 6: Final answer
    x = 2,361.58

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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.