Home / 3,483.15-4,806.72-1,911.24

Finding the Fourth Proportional to 3,483.15, 4,806.72 and 1,911.24

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Solution

The fourth proportional to 3,483.15, 4,806.72 and 1,911.24 is: 2,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.15 : 4,806.72 = 1,911.24 : x
  2. Step 2: Convert to fraction form
    3,483.15/4,806.72 = 1,911.24/x
  3. Step 3: Cross multiply
    3,483.15x = 4,806.72 × 1,911.24
  4. Step 4: Simplify right side
    3,483.15x = 9,186,795.53
  5. Step 5: Solve for x
    x = 9,186,795.53/3,483.15
  6. Step 6: Final answer
    x = 2,637.50

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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.