Home / 5,051.10-7,569.45-1,969.50

Finding the Fourth Proportional to 5,051.10, 7,569.45 and 1,969.50

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Solution

The fourth proportional to 5,051.10, 7,569.45 and 1,969.50 is: 2,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.10 : 7,569.45 = 1,969.50 : x
  2. Step 2: Convert to fraction form
    5,051.10/7,569.45 = 1,969.50/x
  3. Step 3: Cross multiply
    5,051.10x = 7,569.45 × 1,969.50
  4. Step 4: Simplify right side
    5,051.10x = 14,908,031.78
  5. Step 5: Solve for x
    x = 14,908,031.78/5,051.10
  6. Step 6: Final answer
    x = 2,951.44

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1.5x scale

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.