Home / 3,503.49-4,834.80-1,931.58

Finding the Fourth Proportional to 3,503.49, 4,834.80 and 1,931.58

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Solution

The fourth proportional to 3,503.49, 4,834.80 and 1,931.58 is: 2,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.49 : 4,834.80 = 1,931.58 : x
  2. Step 2: Convert to fraction form
    3,503.49/4,834.80 = 1,931.58/x
  3. Step 3: Cross multiply
    3,503.49x = 4,834.80 × 1,931.58
  4. Step 4: Simplify right side
    3,503.49x = 9,338,802.98
  5. Step 5: Solve for x
    x = 9,338,802.98/3,503.49
  6. Step 6: Final answer
    x = 2,665.57

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1.5x scale

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.