Home / 1,576.26-2,176.35-1,134.30

Finding the Fourth Proportional to 1,576.26, 2,176.35 and 1,134.30

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Solution

The fourth proportional to 1,576.26, 2,176.35 and 1,134.30 is: 1,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.26 : 2,176.35 = 1,134.30 : x
  2. Step 2: Convert to fraction form
    1,576.26/2,176.35 = 1,134.30/x
  3. Step 3: Cross multiply
    1,576.26x = 2,176.35 × 1,134.30
  4. Step 4: Simplify right side
    1,576.26x = 2,468,633.81
  5. Step 5: Solve for x
    x = 2,468,633.81/1,576.26
  6. Step 6: Final answer
    x = 1,566.13

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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.