Home / 1,430.13-1,973.83-1,038.29

Finding the Fourth Proportional to 1,430.13, 1,973.83 and 1,038.29

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Solution

The fourth proportional to 1,430.13, 1,973.83 and 1,038.29 is: 1,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.13 : 1,973.83 = 1,038.29 : x
  2. Step 2: Convert to fraction form
    1,430.13/1,973.83 = 1,038.29/x
  3. Step 3: Cross multiply
    1,430.13x = 1,973.83 × 1,038.29
  4. Step 4: Simplify right side
    1,430.13x = 2,049,406.78
  5. Step 5: Solve for x
    x = 2,049,406.78/1,430.13
  6. Step 6: Final answer
    x = 1,433.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.