Home / 2,386.48-3,576.32-1,864.08

Finding the Fourth Proportional to 2,386.48, 3,576.32 and 1,864.08

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Solution

The fourth proportional to 2,386.48, 3,576.32 and 1,864.08 is: 2,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.48 : 3,576.32 = 1,864.08 : x
  2. Step 2: Convert to fraction form
    2,386.48/3,576.32 = 1,864.08/x
  3. Step 3: Cross multiply
    2,386.48x = 3,576.32 × 1,864.08
  4. Step 4: Simplify right side
    2,386.48x = 6,666,546.59
  5. Step 5: Solve for x
    x = 6,666,546.59/2,386.48
  6. Step 6: Final answer
    x = 2,793.46

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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.