Home / 5,252.35-7,878.61-1,303.63

Finding the Fourth Proportional to 5,252.35, 7,878.61 and 1,303.63

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Solution

The fourth proportional to 5,252.35, 7,878.61 and 1,303.63 is: 1,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.35 : 7,878.61 = 1,303.63 : x
  2. Step 2: Convert to fraction form
    5,252.35/7,878.61 = 1,303.63/x
  3. Step 3: Cross multiply
    5,252.35x = 7,878.61 × 1,303.63
  4. Step 4: Simplify right side
    5,252.35x = 10,270,792.35
  5. Step 5: Solve for x
    x = 10,270,792.35/5,252.35
  6. Step 6: Final answer
    x = 1,955.47

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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.