Home / 1,594.72-2,386.80-1,125.28

Finding the Fourth Proportional to 1,594.72, 2,386.80 and 1,125.28

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Solution

The fourth proportional to 1,594.72, 2,386.80 and 1,125.28 is: 1,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.72 : 2,386.80 = 1,125.28 : x
  2. Step 2: Convert to fraction form
    1,594.72/2,386.80 = 1,125.28/x
  3. Step 3: Cross multiply
    1,594.72x = 2,386.80 × 1,125.28
  4. Step 4: Simplify right side
    1,594.72x = 2,685,818.30
  5. Step 5: Solve for x
    x = 2,685,818.30/1,594.72
  6. Step 6: Final answer
    x = 1,684.19

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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.