Home / 2,948.48-4,069.19-1,622.45

Finding the Fourth Proportional to 2,948.48, 4,069.19 and 1,622.45

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Solution

The fourth proportional to 2,948.48, 4,069.19 and 1,622.45 is: 2,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.48 : 4,069.19 = 1,622.45 : x
  2. Step 2: Convert to fraction form
    2,948.48/4,069.19 = 1,622.45/x
  3. Step 3: Cross multiply
    2,948.48x = 4,069.19 × 1,622.45
  4. Step 4: Simplify right side
    2,948.48x = 6,602,041.03
  5. Step 5: Solve for x
    x = 6,602,041.03/2,948.48
  6. Step 6: Final answer
    x = 2,239.13

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Why These Related Problems?

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