Home / 1,876.23-2,589.29-1,130.42

Finding the Fourth Proportional to 1,876.23, 2,589.29 and 1,130.42

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Solution

The fourth proportional to 1,876.23, 2,589.29 and 1,130.42 is: 1,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.23 : 2,589.29 = 1,130.42 : x
  2. Step 2: Convert to fraction form
    1,876.23/2,589.29 = 1,130.42/x
  3. Step 3: Cross multiply
    1,876.23x = 2,589.29 × 1,130.42
  4. Step 4: Simplify right side
    1,876.23x = 2,926,966.60
  5. Step 5: Solve for x
    x = 2,926,966.60/1,876.23
  6. Step 6: Final answer
    x = 1,560.03

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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.