Home / 1,909.43-2,877.15-1,570.36

Finding the Fourth Proportional to 1,909.43, 2,877.15 and 1,570.36

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Solution

The fourth proportional to 1,909.43, 2,877.15 and 1,570.36 is: 2,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.43 : 2,877.15 = 1,570.36 : x
  2. Step 2: Convert to fraction form
    1,909.43/2,877.15 = 1,570.36/x
  3. Step 3: Cross multiply
    1,909.43x = 2,877.15 × 1,570.36
  4. Step 4: Simplify right side
    1,909.43x = 4,518,158.01
  5. Step 5: Solve for x
    x = 4,518,158.01/1,909.43
  6. Step 6: Final answer
    x = 2,366.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.