Home / 3,570.81-4,927.74-1,977.41

Finding the Fourth Proportional to 3,570.81, 4,927.74 and 1,977.41

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Solution

The fourth proportional to 3,570.81, 4,927.74 and 1,977.41 is: 2,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.81 : 4,927.74 = 1,977.41 : x
  2. Step 2: Convert to fraction form
    3,570.81/4,927.74 = 1,977.41/x
  3. Step 3: Cross multiply
    3,570.81x = 4,927.74 × 1,977.41
  4. Step 4: Simplify right side
    3,570.81x = 9,744,162.35
  5. Step 5: Solve for x
    x = 9,744,162.35/3,570.81
  6. Step 6: Final answer
    x = 2,728.84

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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.