Home / 1,445.32-2,165.10-1,033.48

Finding the Fourth Proportional to 1,445.32, 2,165.10 and 1,033.48

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Solution

The fourth proportional to 1,445.32, 2,165.10 and 1,033.48 is: 1,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.32 : 2,165.10 = 1,033.48 : x
  2. Step 2: Convert to fraction form
    1,445.32/2,165.10 = 1,033.48/x
  3. Step 3: Cross multiply
    1,445.32x = 2,165.10 × 1,033.48
  4. Step 4: Simplify right side
    1,445.32x = 2,237,587.55
  5. Step 5: Solve for x
    x = 2,237,587.55/1,445.32
  6. Step 6: Final answer
    x = 1,548.16

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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.