Home / 2,567.22-3,542.62-1,432.81

Finding the Fourth Proportional to 2,567.22, 3,542.62 and 1,432.81

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Solution

The fourth proportional to 2,567.22, 3,542.62 and 1,432.81 is: 1,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.22 : 3,542.62 = 1,432.81 : x
  2. Step 2: Convert to fraction form
    2,567.22/3,542.62 = 1,432.81/x
  3. Step 3: Cross multiply
    2,567.22x = 3,542.62 × 1,432.81
  4. Step 4: Simplify right side
    2,567.22x = 5,075,901.36
  5. Step 5: Solve for x
    x = 5,075,901.36/2,567.22
  6. Step 6: Final answer
    x = 1,977.20

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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.