Home / 1,876.17-2,589.81-1,130.16

Finding the Fourth Proportional to 1,876.17, 2,589.81 and 1,130.16

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Solution

The fourth proportional to 1,876.17, 2,589.81 and 1,130.16 is: 1,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.17 : 2,589.81 = 1,130.16 : x
  2. Step 2: Convert to fraction form
    1,876.17/2,589.81 = 1,130.16/x
  3. Step 3: Cross multiply
    1,876.17x = 2,589.81 × 1,130.16
  4. Step 4: Simplify right side
    1,876.17x = 2,926,899.67
  5. Step 5: Solve for x
    x = 2,926,899.67/1,876.17
  6. Step 6: Final answer
    x = 1,560.04

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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.