Home / 1,567.20-2,349.25-874.19

Finding the Fourth Proportional to 1,567.20, 2,349.25 and 874.19

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Solution

The fourth proportional to 1,567.20, 2,349.25 and 874.19 is: 1,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.20 : 2,349.25 = 874.19 : x
  2. Step 2: Convert to fraction form
    1,567.20/2,349.25 = 874.19/x
  3. Step 3: Cross multiply
    1,567.20x = 2,349.25 × 874.19
  4. Step 4: Simplify right side
    1,567.20x = 2,053,685.74
  5. Step 5: Solve for x
    x = 2,053,685.74/1,567.20
  6. Step 6: Final answer
    x = 1,310.42

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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.