Home / 2,384.19-3,576.29-740.57

Finding the Fourth Proportional to 2,384.19, 3,576.29 and 740.57

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Solution

The fourth proportional to 2,384.19, 3,576.29 and 740.57 is: 1,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.19 : 3,576.29 = 740.57 : x
  2. Step 2: Convert to fraction form
    2,384.19/3,576.29 = 740.57/x
  3. Step 3: Cross multiply
    2,384.19x = 3,576.29 × 740.57
  4. Step 4: Simplify right side
    2,384.19x = 2,648,471.50
  5. Step 5: Solve for x
    x = 2,648,471.50/2,384.19
  6. Step 6: Final answer
    x = 1,110.85

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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.