Home / 5,303.90-7,950.98-1,838.72

Finding the Fourth Proportional to 5,303.90, 7,950.98 and 1,838.72

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Solution

The fourth proportional to 5,303.90, 7,950.98 and 1,838.72 is: 2,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.90 : 7,950.98 = 1,838.72 : x
  2. Step 2: Convert to fraction form
    5,303.90/7,950.98 = 1,838.72/x
  3. Step 3: Cross multiply
    5,303.90x = 7,950.98 × 1,838.72
  4. Step 4: Simplify right side
    5,303.90x = 14,619,625.95
  5. Step 5: Solve for x
    x = 14,619,625.95/5,303.90
  6. Step 6: Final answer
    x = 2,756.39

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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.