Home / 1,445.24-2,167.40-924.50

Finding the Fourth Proportional to 1,445.24, 2,167.40 and 924.50

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Solution

The fourth proportional to 1,445.24, 2,167.40 and 924.50 is: 1,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.24 : 2,167.40 = 924.50 : x
  2. Step 2: Convert to fraction form
    1,445.24/2,167.40 = 924.50/x
  3. Step 3: Cross multiply
    1,445.24x = 2,167.40 × 924.50
  4. Step 4: Simplify right side
    1,445.24x = 2,003,761.30
  5. Step 5: Solve for x
    x = 2,003,761.30/1,445.24
  6. Step 6: Final answer
    x = 1,386.46

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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.